﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2018v3.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2019-11-13T08:07:00-06:00</ReturnTs>
    <TaxPeriodEndDt>2018-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>381357951</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>PLANTE &amp; MORAN PLLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>8181 E TUFTS AVE SUITE 600</AddressLine1Txt>
        <CityNm>DENVER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80237</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2018-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>131882322</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>ASSOCIATION OF OPERATING ROOM NURSES</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>ASSO</BusinessNameControlTxt>
      <PhoneNum>3037556300</PhoneNum>
      <USAddress>
        <AddressLine1Txt>2170 SOUTH PARKER ROAD SUITE 300</AddressLine1Txt>
        <CityNm>DENVER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>802315711</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JAMES COUSIN II</PersonNm>
      <PersonTitleTxt>CFO</PersonTitleTxt>
      <PhoneNum>3037409400</PhoneNum>
      <SignatureDt>2019-11-11</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>DORI J EGGETT</PreparerPersonNm>
      <PTIN>P00645252</PTIN>
      <PhoneNum>3037409400</PhoneNum>
      <PreparationDt>2019-11-11</PreparationDt>
    </PreparerPersonGrp>
    <FilingSecurityInformation>
      <IPAddress>
        <IPv4AddressTxt>208.42.238.142</IPv4AddressTxt>
      </IPAddress>
      <IPDt>2019-11-11</IPDt>
      <IPTm>09:34:39</IPTm>
      <IPTimezoneCd>MS</IPTimezoneCd>
      <FilingLicenseTypeCd>P</FilingLicenseTypeCd>
      <AtSubmissionCreationDeviceId>DA39A3EE5E6B4B0D3255BFEF95601890AFD80709</AtSubmissionCreationDeviceId>
      <AtSubmissionFilingDeviceId>2758D11C408DF3479EE8351B290E162F317781B8</AtSubmissionFilingDeviceId>
    </FilingSecurityInformation>
    <TaxYr>2018</TaxYr>
    <BuildTS>2020-01-14 16:20:31Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>LINDA GROAH</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>2170 SOUTH PARKER ROAD SUITE 300</AddressLine1Txt>
        <CityNm>DENVER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>802315711</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>29086325</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <WebsiteAddressTxt>WWW.AORN.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1971</FormationYr>
      <LegalDomicileStateCd>CO</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO PROVIDE PRACTICE SUPPORT AND PROFESSIONAL DEVELOPMENT OPPORTUNITIES TO PERIOPERATIVE NURSES.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>12</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>10</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>186</TotalEmployeeCnt>
      <TotalVolunteersCnt>100</TotalVolunteersCnt>
      <TotalGrossUBIAmt>4273337</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>22074430</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>24785248</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>458887</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>654648</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>2547562</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>3272081</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>25080879</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>28711977</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>201850</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>13256448</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>15294442</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>11178352</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>12040135</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>24636650</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>27334577</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>444229</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>1377400</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>26207003</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>29527018</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>14671392</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>17508947</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>11535611</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>12018071</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>OUR MISSION IS TO PROMOTE SAFETY AND OPTIMAL OUTCOMES FOR PATIENTS UNDERGOING OPERATIVE AND OTHER INVASIVE PROCEDURES BY PROVIDING PRACTICE SUPPORT AND PROFESSIONAL DEVELOPMENT OPPORTUNITIES TO PERIOPERATIVE NURSES.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <Desc>MEMBERSHIP - PROVIDES THE NECESSARY PROMOTION, GUIDANCE ANDSUPPORTIVE MAINTENANCE FOR THE MEMBERS.</Desc>
      <ProgSrvcAccomActy2Grp>
        <Desc>EDUCATION - RESOURCES FOR NURSING PROFESSIONALS TO OBTAIN INFORMATION, RESEARCH AND TRAINING FOR THE PERIOPERATIVE SETTING.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <Desc>ANNUAL SURGICAL CONFERENCE AND EXPO - PERIOPERATIVE PROFESSIONALS ATTENDED THE CONFERENCE THAT BENEFITS MEMBERS BY EXPANDING THEIR EDUCATION AND CONNECTIONS WITH COLLEAGUES AND INDUSTRY PARTNERS.</Desc>
      </ProgSrvcAccomActy3Grp>
      <DescribedInSection501c3Ind>0</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039700001">0</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039700001">1</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc1040000001">0</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">1</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">1</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>0</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>1</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd referenceDocumentId="RetDoc1043400001">1</TransactionWithControlEntInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>111</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>186</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>12</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>10</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>1</LocalChaptersInd>
      <PoliciesReferenceChaptersInd>1</PoliciesReferenceChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>1</InvestmentInJointVentureInd>
      <WrittenPolicyOrProcedureInd>1</WrittenPolicyOrProcedureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>JAMES COUSIN II</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>3037556300</PhoneNum>
        <USAddress>
          <AddressLine1Txt>2170 S PARKER ROAD</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>802315711</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>NATHALIE WALKER</PersonNm>
        <TitleTxt>PRESIDENT END 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>29150</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEPHANIE DAVIS</PersonNm>
        <TitleTxt>PRESIDENT BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>29150</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARISA MERLINO</PersonNm>
        <TitleTxt>PRESIDENT-ELECT BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>34650</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JANE FLOWERS</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HOLLY ERVINE</PersonNm>
        <TitleTxt>VICE PRESIDENT BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VICKI BARNETT</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAY BOWERS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VANGIE DENNIS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRENDA LARKIN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ELIZABETH PINCUS</PersonNm>
        <TitleTxt>SECRETARY BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARRIE SIMPSON</PersonNm>
        <TitleTxt>DIRECTOR END 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAWN YOST</PersonNm>
        <TitleTxt>DIRECTOR END 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTY SIMMONS</PersonNm>
        <TitleTxt>DIRECTOR BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVE BALOG</PersonNm>
        <TitleTxt>DIRECTOR BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DARLENE MURDOCK</PersonNm>
        <TitleTxt>DIRECTOR BEG 4/2018</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA GROAH</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR/CEO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>445880</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9465</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES COUSIN II</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>375615</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27505</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JUDITH PINS</PersonNm>
        <TitleTxt>PRESIDENT OF PFIEDLER ENTE</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>236677</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>8006</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JANICE KELLY</PersonNm>
        <TitleTxt>PRESIDENT OF AORN SYNTEGRI</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>178147</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>14455</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LISA SPRUCE</PersonNm>
        <TitleTxt>DIRECTOR /NURSING</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>158533</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19134</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANN E THOMAS</PersonNm>
        <TitleTxt>DIRECTOR/CONTROLLER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>165718</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>18343</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT POE</PersonNm>
        <TitleTxt>DIRECTOR/IT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>158020</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22534</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1811540</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>119442</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>58</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FREEMAN AUDIO VISUAL SOLUTIONS</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 650519</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>752650519</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>AUDIO VISUAL SUPPORT AT EXPO CONFERNECE</ServicesDesc>
        <CompensationAmt>817618</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CENTERPLATE</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>900 CONVENTION CENTER BLVD</AddressLine1Txt>
            <CityNm>NEW ORLEANS</CityNm>
            <StateAbbreviationCd>LA</StateAbbreviationCd>
            <ZIPCd>70130</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CATERING AT EXPO</ServicesDesc>
        <CompensationAmt>585000</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>TECH MAHINDRA</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>HSBC BANK USA452 5TH AVE</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10018</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ADDITIONAL PROGRAMING SUPPORT FOR IT</ServicesDesc>
        <CompensationAmt>459200</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>NEW ORLEANS ERNEST MORIAL CONV CTR</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>900 CONVENTION CTR BLVD</AddressLine1Txt>
            <CityNm>NEW ORLEANS</CityNm>
            <StateAbbreviationCd>LA</StateAbbreviationCd>
            <ZIPCd>70130</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONFERENCE CENTER FOR EXPO</ServicesDesc>
        <CompensationAmt>299302</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SPARGO INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>11298 MAPESLE MILL RD</AddressLine1Txt>
            <CityNm>FAIRFAX</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>22030</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EXHIBIT SALES AT EXPO</ServicesDesc>
        <CompensationAmt>273175</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>20</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>EXPO</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>8390561</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>7621794</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>423106</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>345661</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EDUCATIONAL PRODUCTS</Desc>
        <BusinessCd>900004</BusinessCd>
        <TotalRevenueColumnAmt>6535476</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5083482</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>1451994</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP SERVICES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>4684056</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4550746</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>107693</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>25617</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>OUTPATIENT SURGERY DIV</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3145845</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>691988</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>2453857</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PERIODICALS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1319131</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>247974</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>1071157</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>710179</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>634865</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>2400</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>72914</ExclusionAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>24785248</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>211500</TotalRevenueColumnAmt>
        <ExclusionAmt>211500</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>82710</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>112711</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>-30001</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-30001</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>-30001</UnrelatedBusinessRevenueAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>443148</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>443148</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>443148</TotalRevenueColumnAmt>
        <ExclusionAmt>443148</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <GrossSalesOfInventoryAmt>2276279</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>261637</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>2014642</TotalRevenueColumnAmt>
        <ExclusionAmt>2014642</ExclusionAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900001</BusinessCd>
        <TotalRevenueColumnAmt>521455</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>521455</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>LEASING</Desc>
        <BusinessCd>532000</BusinessCd>
        <TotalRevenueColumnAmt>520860</TotalRevenueColumnAmt>
        <ExclusionAmt>520860</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>MARKET RESEARCH</Desc>
        <BusinessCd>900001</BusinessCd>
        <TotalRevenueColumnAmt>245125</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>245125</UnrelatedBusinessRevenueAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>1287440</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>28711977</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19352304</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>4273337</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>5086336</ExclusionAmt>
      </TotalRevenueGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>951414</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>11657587</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>346971</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>1443497</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>894973</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>67827</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>63844</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>85667</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>20965</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1233108</TotalAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>721716</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>630088</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>728600</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>654472</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>969464</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>1038482</TotalAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1175975</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>139906</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>VENDOR SERVICES</Desc>
        <TotalAmt>3263326</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>HONORARIUM</Desc>
        <TotalAmt>408209</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EMPLOYEE EXPENSE</Desc>
        <TotalAmt>251556</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>83209</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>503721</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>27334577</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>3399149</BOYAmt>
        <EOYAmt>4726946</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>3295798</BOYAmt>
        <EOYAmt>1326810</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>978663</BOYAmt>
        <EOYAmt>1527667</EOYAmt>
      </AccountsReceivableGrp>
      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>300000</BOYAmt>
        <EOYAmt>166664</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>25767</BOYAmt>
        <EOYAmt>40458</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>2311620</BOYAmt>
        <EOYAmt>2375378</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>21742858</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>16236114</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>5022875</BOYAmt>
        <EOYAmt>5506744</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>6791430</BOYAmt>
        <EOYAmt>5512837</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>2724558</BOYAmt>
        <EOYAmt>2346013</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <IntangibleAssetsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>4348656</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>1357143</BOYAmt>
        <EOYAmt>1648845</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>26207003</BOYAmt>
        <EOYAmt>29527018</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>2377855</BOYAmt>
        <EOYAmt>3604682</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>12276730</BOYAmt>
        <EOYAmt>13887458</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>16807</BOYAmt>
        <EOYAmt>16807</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>14671392</BOYAmt>
        <EOYAmt>17508947</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>11535611</BOYAmt>
        <EOYAmt>12018071</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>11535611</BOYAmt>
        <EOYAmt>12018071</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>26207003</BOYAmt>
        <EOYAmt>29527018</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>1377400</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-894940</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>4054067</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>300648</NonDeductibleLbbyngPltclCYAmt>
      <NonDedLbbyngPltclCyovAmt>74655</NonDedLbbyngPltclCyovAmt>
      <NonDeductibleLbbyngPltclTotAmt>375303</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>261388</AggregateReportedDuesNtcAmt>
      <CarriedOverAmt>113915</CarriedOverAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>1220085</OtherCostOrOtherBasisAmt>
        <BookValueAmt>1220085</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>7968684</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5294529</DepreciationAmt>
        <BookValueAmt>2674155</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>7198027</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>6342720</DepreciationAmt>
        <BookValueAmt>855307</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>5356062</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4598865</DepreciationAmt>
        <BookValueAmt>757197</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>5506744</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>PFIEDLER ENTERPRISES</Desc>
        <BookValueAmt>1813888</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>AORN SYNTEGRITY, INC</Desc>
        <BookValueAmt>532125</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>2346013</TotalBookValueSecuritiesAmt>
      <OtherAssetsOrgGrp>
        <Desc>INTERCOMPANY ACCOUNT</Desc>
        <BookValueAmt>959163</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>WORK IN PROGRESS</Desc>
        <BookValueAmt>689682</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>1648845</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEPOSITS</Desc>
        <Amt>16807</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>16807</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>28182205</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-894231</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>11076</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>374348</OtherRevenueAmt>
      <RevenueNotReportedAmt>-508807</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>28691012</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>20965</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>20965</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>28711977</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>27699036</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>11076</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>374348</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>385424</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>27313612</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>20965</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>20965</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>27334577</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION APPLIES A MORE-LIKELY-THAN-NOT MEASUREMENT METHODOLOGY TO REFLECT THE FINANCIAL STATEMENT IMPACT OF UNCERTAIN TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. AFTER EVALUATING THE TAX POSITIONS TAKEN, NONE ARE CONSIDERED TO BE UNCERTAIN; THEREFORE, NO AMOUNTS HAVE BEEN RECOGNIZED AS OF DECEMBER 31, 2018 OR 2017. IF INCURRED, INTEREST AND PENALTIES ASSOCIATED WITH TAX POSITIONS ARE RECORDED IN THE PERIOD ASSESSED AS GENERAL AND ADMINISTRATIVE EXPENSE. NO INTEREST OR PENALTIES HAVE BEEN ASSESSED AS OF DECEMBER 31, 2018 OR 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 261,637. RENTAL EXPENSES 112,711.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 261,637. RENTAL EXPENSE 112,711.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <TravelForCompanionsInd>X</TravelForCompanionsInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LINDA GROAH</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR/CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>403141</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>42739</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8250</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1215</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>455345</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JAMES COUSIN II</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>349344</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>26271</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8250</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19255</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>403120</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JUDITH PINS</PersonNm>
        <TitleTxt>PRESIDENT OF PFIEDLER ENTE</TitleTxt>
        <BaseCompensationFilingOrgAmt>223364</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>13313</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7034</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>972</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>244683</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JANICE KELLY</PersonNm>
        <TitleTxt>PRESIDENT OF AORN SYNTEGRI</TitleTxt>
        <BaseCompensationFilingOrgAmt>178147</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5383</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9072</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>192602</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LISA SPRUCE</PersonNm>
        <TitleTxt>DIRECTOR /NURSING</TitleTxt>
        <BaseCompensationFilingOrgAmt>150929</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>7604</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>4978</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>14156</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>177667</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ANN E THOMAS</PersonNm>
        <TitleTxt>DIRECTOR/CONTROLLER</TitleTxt>
        <BaseCompensationFilingOrgAmt>155088</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>10630</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5083</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13260</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>184061</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SCOTT POE</PersonNm>
        <TitleTxt>DIRECTOR/IT</TitleTxt>
        <BaseCompensationFilingOrgAmt>150543</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>7477</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>4964</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>17570</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>180554</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>IN ACCORDANCE WITH THE ASSOCIATION'S BOARD POLICY, THE BOARD PRESIDENT IS PERMITTED TO INVITE UP TO TWO GUESTS TO ATTEND THE ANNUAL CONFERENCE AND EXPO. AORN INC. PAYS FOR THE GUESTS' AIRFARE AND TWO DAYS OF MEALS AND LODGING.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>IN ACCORDANCE WITH THE ASSOCIATION'S BOARD POLICY, THE PRESIDENT AND PRESIDENT-ELECT WILL BE AWARDED AN HONORARIUM TO COVER LOST WAGES/LOST WORKDAYS FOR THEIR YEAR OF SERVICE. A MINIMUM HONORARIUM OF $58,300 FOR THE PRESIDENT AND $34,650 FOR THE PRESIDENT-ELECT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS THE FOLLOWING CLASSES OF MEMBERS: -VOTING MEMBERS -NON-VOTING MEMBERS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE VOTING MEMBERS HAVE THE RIGHT TO ELECT ONE OR MORE MEMBERS OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING ITEMS ARE SUBJECT TO APPROVAL BY THE VOTING MEMBERS OF THE ORGANIZATION: 1) CHANGES TO AORN BYLAWS 2) POSITION STATEMENTS 3) DUES INCREASES GREATER THAN $10.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PRESENTED TO THE BOARD OF DIRECTORS BY EMAIL FOR THEIR REVIEW WITH A FOLLOW-UP CONFERENCE CALL FOR DISCUSSION OF ANY QUESTIONS PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING INITIAL ORIENTATION FOR NEW BOARD MEMBERS AND AGAIN AT THE ANNUAL BOARD MEETING, THE CONFLICT OF INTEREST POLICY IS REVIEWED WITH THE BOARD MEMBERS. EACH YEAR BOARD MEMBERS ARE ASKED TO COMPLETE AN ACKNOWLEDGEMENT OF RECEIPT AND DISCLOSURE FORM RELATED TO THE CONFLICT OF INTEREST POLICY AND DISCLOSE ANY CONFLICTS OR POTENTIAL CONFLICTS. A REMINDER OF THE CONFLICT OF INTEREST POLICY IS A STANDING AGENDA ITEM AT EACH BOARD MEETING THROUGHOUT THE YEAR. BOARD MEMBERS REGULARLY RECUSE THEMSELVES FROM VOTING ON MATTERS WHERE A POTENTIAL CONFLICT MAY OR DOES EXIST. EMPLOYEES ARE REQUIRED BY THE CONFLICT OF INTEREST POLICY IN THE EMPLOYEE HANDBOOK TO DISCLOSE ALL REAL, PERCEIVED AND POTENTIAL CONFLICTS IN ADVANCE OF CONDUCTING ANY BUSINESS OR OTHER TRANSACTIONS WITH RELATED PARTIES OR OTHER ORGANIZATIONS IN WHICH THE EMPLOYEE HAS A FINANCIAL INTEREST AND/OR SERVES AS AN EMPLOYEE, ADVISOR, OFFICER OR DIRECTOR. EXECUTIVE EMPLOYEES MAKE AN ANNUAL WRITTEN DISCLOSURE OF KNOWN POTENTIAL CONFLICTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>EXECUTIVE DIRECTOR/CEO: THE DIRECTOR OF HUMAN RESOURCES PROVIDES THE BOARD OF DIRECTORS COMPENSATION COMMITTEE WITH EXTENSIVE COMPENSATION BENCHMARKING DATA FOR BASE AND VARIABLE PAY, WHICH IS OBTAINED FROM A MINIMUM OF FOUR SALARY SURVEY SOURCES WHICH ARE COMMENSURATE WITH THE ROLE AND BASED ON ORGANIZATIONS OF SIMILAR SIZE, REVENUES, AND GEOGRAPHIC LOCATION. THE COMPENSATION COMMITTEE WILL ANNUALLY RECOMMEND TO THE BOARD OF DIRECTORS THE MERIT INCREASE AMOUNT BASED ON THIS BENCHMARKING DATA AND BASED ON RESULTS OF THE ED/CEO'S PERFORMANCE APPRAISAL. THE COMPENSATION COMMITTEE WILL ALSO RECOMMEND TO THE BOARD OF DIRECTORS ANNUALLY THE BONUS PERCENTAGE PAYOUT ACCORDING TO THE TERMS AND CONDITIONS PROVIDED IN THE ED/CEO'S EMPLOYMENT AGREEMENT. ANY COMPENSATION CHANGES ARE DOCUMENTED AND PLACED IN THE EXECUTIVE DIRECTOR'S FILE. ALL OTHER OFFICERS AND KEY EMPLOYEES: FOR INITIAL HIRES, THE DIRECTOR OF HUMAN RESOURCES PROVIDES THE INTERNAL COMPENSATION COMMITTEE (ED/CEO, HR DIRECTOR, CFO, AND VP OF BUSINESS STRATEGY) WITH A RECOMMENDED COMPENSATION RANGE COMMENSURATE WITH THE ROLE BASED ON COMPENSATION DATA FROM MULTIPLE BENCHMARKING SURVEYS AND STATISTICS FROM ORGANIZATIONS OF SIMILAR SIZE, REVENUES, AND GEOGRAPHIC LOCATION. THE INTERNAL COMPENSATION COMMITTEE, WHICH INCLUDES THE HUMAN RESOURCES DIRECTOR, DETERMINES THE COMPENSATION AMOUNT FROM WITHIN THE RECOMMENDED RANGES. THEREAFTER AND ANNUALLY, THE HUMAN RESOURCES DIRECTOR PERFORMS ANNUAL COMPENSATION BENCHMARKING FOR ALL POSITIONS USING MULTIPLE SALARY SURVEYS TO ENSURE COMPENSATION IS COMPETITIVE WITH THE MARKET AND APPROPRIATE BASED ON CONSIDERATION OF INTERNAL EQUITY FACTORS. FROM THIS COMPENSATION BENCHMARKING PROCESS, THE HUMAN RESOURCES DIRECTOR IDENTIFIES POSITIONS WHICH MAY BE ELIGIBLE FOR A MARKET ADJUSTMENT PAY INCREASE AND PROVIDES DATA TO THE ED/CEO AND CFO AND VP OF BUSINESS STRATEGY FOR REVIEW AND DISCUSSION AND FINALIZATION OF THE AMOUNT TO BE AWARDED. MARKET ADJUSTMENTS ARE PROVIDED PRIOR TO A MERIT INCREASE, WHICH IS BASED ON EMPLOYEE PERFORMANCE AND COMPANY BUDGET. EACH YEAR, THE INTERNAL COMPENSATION COMMITTEE ESTABLISHES A MERIT MATRIX FOR RANGES OF MERIT PERCENTAGES WHICH MAY BE AWARDED TO STAFF BASED ON THEIR PERFORMANCE OVER THE PAST YEAR. THE HUMAN RESOURCES DIRECTOR PROVIDES MANAGERS AND DIRECTORS THIS MERIT MATRIX AND INSTRUCTIONS FOR HOW TO DETERMINE THE APPROPRIATE MERIT INCREASE PERCENTAGE FOR DIRECT REPORTS. MANAGERS OF DIRECT REPORTS MAKE THEIR RECOMMENDATION TO THEIR VP, WHO HAS ULTIMATE RESPONSIBILITY FOR APPROVING THE MERIT PERCENTAGE. ANY COMPENSATION CHANGES ARE DOCUMENTED AND PLACED IN THE EMPLOYEE'S FILE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE TO THE PUBLIC UPON REQUEST. THE ORGANIZATION'S FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC ON AORN'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>AORN FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2170 SOUTH PARKER ROAD</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80231</ZIPCd>
        </USAddress>
        <EIN>841193583</EIN>
        <PrimaryActivitiesTxt>SEE PART VII</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PFIEDLER ENTERPRISES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>2170 SOUTH PARKER ROAD STE 300</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80231</ZIPCd>
        </USAddress>
        <EIN>840833460</EIN>
        <PrimaryActivitiesTxt>MEDICAL EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AORN</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>173090</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>2976194</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>AORN SYNTEGRITY</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>2170 SOUTH PARKER ROAD STE 300</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80231</ZIPCd>
        </USAddress>
        <EIN>814851472</EIN>
        <PrimaryActivitiesTxt>INFORMATION SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AORN</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>324895</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>847578</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>1</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>1</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>1</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>PFIEDLER ENTERPRISES INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>1829198</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>PFIEDLER ENTERPRISES INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>2018595</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>PFIEDLER ENTERPRISES INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>A</TransactionTypeTxt>
        <InvolvedAmt>190285</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>PFIEDLER ENTERPRISES INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>L</TransactionTypeTxt>
        <InvolvedAmt>268441</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>PFIEDLER ENTERPRISES INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>F</TransactionTypeTxt>
        <InvolvedAmt>500000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN SYNTEGRITY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>777665</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN SYNTEGRITY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>623893</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN SYNTEGRITY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>A</TransactionTypeTxt>
        <InvolvedAmt>27125</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN SYNTEGRITY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>L</TransactionTypeTxt>
        <InvolvedAmt>109300</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN SYNTEGRITY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>F</TransactionTypeTxt>
        <InvolvedAmt>400000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>464042</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>N</TransactionTypeTxt>
        <InvolvedAmt>343212</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>AORN FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>C</TransactionTypeTxt>
        <InvolvedAmt>1440700</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PRIMARY ACTIVITY OF RELATED TAX-EXEMPT ORGANIZATION AORN FOUNDATION SUPPORTS PERIOPERATIVE NURSES AND AORN INC.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>