﻿<?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="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-08-19T13:47:28-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>420714325</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>RSM US LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>30 S WACKER DR SUITE 3300</AddressLine1Txt>
        <CityNm>CHICAGO</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60606</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237421930</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>ILLINOIS HOSPITAL RESEARCH &amp; EDUCATIONAL</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>FOUNDATION</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>ILLI</BusinessNameControlTxt>
      <PhoneNum>6302765400</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1151 E WARRENVILLE RD PO BOX 3015</AddressLine1Txt>
        <CityNm>NAPERVILLE</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60563</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>TERRI L ALLEN</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>6302765400</PhoneNum>
      <SignatureDt>2024-08-14</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>REBEKUH ELEY</PreparerPersonNm>
      <PTIN>P01247672</PTIN>
      <PhoneNum>3126343400</PhoneNum>
      <PreparationDt>2024-08-14</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-08-08 14:25:15Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>ARTHUR J WILHELMI</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>1151 E WARRENVILLE RD PO BOX 3015</AddressLine1Txt>
        <CityNm>NAPERVILLE</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60563</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>46611</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.TEAM-IHA.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1974</FormationYr>
      <LegalDomicileStateCd>IL</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO PROVIDE EDUCATIONAL OPPORTUNITIES AND GRANTS DESIGNED TO FOSTER AND ENCOURAGE THE PROVISION OF THE HIGHEST STANDARD OF PATIENT CARE BY HOSPITALS IN ILLINOIS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>3</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>0</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>0</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>6659</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>5778</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>19444</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>40833</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>26103</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>46611</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>29429</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>10599</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>29429</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>10599</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-3326</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>36012</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>822640</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>856852</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>8520</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>6720</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>814120</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>850132</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO PROMOTE THE CONTINUING EDUCATION OF HOSPITAL AND OTHER HEALTHCARE PERSONNEL, TO PROVIDE SCHOLARSHIPS TO PERSONS PURSUING HEALTHCARE CAREERS, AND TO PROVIDE GRANTS TO HOSPITALS WHICH WILL ASSIST IN THE IMPROVEMENT OF HEALTHCARE.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>2746</ExpenseAmt>
      <RevenueAmt>5778</RevenueAmt>
      <Desc>IHREF RECEIVED PROGRAM REVENUE FROM CARELEARNING BASED ON ILLINOIS HOSPITAL PARTICIPATION IN VARIOUS PROGRAMS.</Desc>
      <TotalProgramServiceExpensesAmt>2746</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">1</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</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>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>0</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>3</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>0</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>1</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>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>IL</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>TERRI L ALLEN</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>6302765400</PhoneNum>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60563</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <InfoInScheduleOPartVIIInd>X</InfoInScheduleOPartVIIInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>ARTHUR J WILHELMI</PersonNm>
        <TitleTxt>CHAIRMAN/PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>38.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1282510</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>220791</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN BOMHER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>488460</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>57004</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TERRI L ALLEN</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>38.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>400422</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>44270</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KAREN HARRIS</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>448648</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42972</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEAN KIRKEL</PersonNm>
        <TitleTxt>ASSISTANT TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>273676</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>37347</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>2893716</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>402384</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>EDUCATION PROGRAMS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>5778</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5778</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>5778</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>40833</TotalRevenueColumnAmt>
        <ExclusionAmt>40833</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>46611</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5778</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>40833</ExclusionAmt>
      </TotalRevenueGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>6910</TotalAmt>
        <ManagementAndGeneralAmt>6910</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <InsuranceGrp>
        <TotalAmt>2746</TotalAmt>
        <ProgramServicesAmt>2746</ProgramServicesAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>BANK FEES</Desc>
        <TotalAmt>917</TotalAmt>
        <ManagementAndGeneralAmt>917</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>26</TotalAmt>
        <ManagementAndGeneralAmt>26</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>10599</TotalAmt>
        <ProgramServicesAmt>2746</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7853</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>822640</BOYAmt>
        <EOYAmt>856852</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>822640</BOYAmt>
        <EOYAmt>856852</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>8520</BOYAmt>
        <EOYAmt>6720</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>8520</BOYAmt>
        <EOYAmt>6720</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>814120</BOYAmt>
        <EOYAmt>850132</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>814120</BOYAmt>
        <EOYAmt>850132</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>822640</BOYAmt>
        <EOYAmt>856852</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>36012</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>21000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>17770</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>38770</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>21000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>17770</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>38770</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>38770</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>18907</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5066</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1388</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>19444</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>40833</CurrentTaxYearAmt>
        <TotalAmt>85638</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>124408</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>30400</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.31160</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.48100</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsPY170Ind>X</ThirtyThrPctSuprtTestsPY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>DUE FROM AFFILIATES</Desc>
        <BookValueAmt>856852</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>856852</TotalBookValueOtherAssetsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ILLINOIS HOSPITAL RESEARCH &amp; EDUCATIONAL FOUNDATION (IHREF) HAS RECEIVED A FAVORABLE DETERMINATION LETTER FROM THE INTERNAL REVENUE SERVICE (IRS) STATING THAT IT IS EXEMPT FROM TAXATION ON INCOME RELATED TO THEIR EXEMPT PURPOSES UNDER SECTION 501(A) OF THE CODE AS AN ORGANIZATION DESCRIBED IN SECTION 501(C)(3). AS AN EXEMPT ORGANIZATION, IHREF IS SUBJECT TO FEDERAL AND STATE INCOME TAXES ON INCOME DETERMINED TO BE UNRELATED BUSINESS TAXABLE INCOME. IHREF ACCOUNTS FOR INCOME TAXES USING THE PROVISIONS OF ASC TOPIC 740. UNDER ASC TOPIC 740, DEFERRED TAX ASSETS AND LIABILITIES ARE RECOGNIZED FOR FUTURE TAX CONSEQUENCES ATTRIBUTABLE TO DIFFERENCES BETWEEN THE FINANCIAL STATEMENT CARRYING AMOUNTS OF EXISTING ASSETS AND LIABILITIES AND THEIR RESPECTIVE TAX BASES, OPERATING LOSS, AND TAX CREDIT CARRYFORWARDS. DEFERRED TAX ASSETS AND LIABILITIES ARE MEASURED USING ENACTED TAX RATES AND LAWS EXPECTED TO APPLY TO TAXABLE INCOME IN THE YEARS IN WHICH THOSE TEMPORARY DIFFERENCES ARE EXPECTED TO BE RECOVERED OR SETTLED. THE EFFECT ON DEFERRED TAX ASSETS AND LIABILITIES OF A CHANGE IN TAX RATES IS RECOGNIZED IN INCOME IN THE PERIOD THAT INCLUDES THE ENACTMENT DATE. A VALUATION ALLOWANCE IS PROVIDED WHEN IT IS MORE LIKELY THAN NOT THAT SOME PORTION OF DEFERRED TAX ASSETS WILL NOT BE REALIZED. AS OF DECEMBER 31, 2023 AND 2022, IHREF DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ARTHUR J WILHELMI</PersonNm>
        <TitleTxt>CHAIRMAN/PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>961724</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>315884</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>4902</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>180783</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>40008</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>1503301</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>186287</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOHN BOMHER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>392817</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>91329</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>4314</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>28050</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>28954</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>545464</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN HARRIS</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>351711</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>72330</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>24607</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>28050</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>14922</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>491620</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TERRI L ALLEN</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>328710</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>45648</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>26064</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>28050</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>16220</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>444692</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JEAN KIRKEL</PersonNm>
        <TitleTxt>ASSISTANT TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>237821</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>28997</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>6858</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>22977</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>14370</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>311023</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>ILLINOIS HEALTH AND HOSPITAL ASSOCIATION, A RELATED ENTITY, USED THE FOLLOWING METHODS TO ESTABLISH THE COMPENSATION FOR THE ORGANIZATION'S CEO: - COMPENSATION COMMITTEE - INDEPENDENT COMPENSATION CONSULTANT - COMPENSATION SURVEY OR STUDY - APPROVAL BY THE BOARD OR COMPENSATION COMMITTEE</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING AMOUNTS WERE CONTRIBUTED TO A NONQUALIFIED RETIREMENT PLAN: ARTHUR J. WILHELMI $152,733 THE FOLLOWING AMOUNTS WERE DISTRIBUTED DURING THE YEAR FROM THE NONQUALIFIED RETIREMENT PLAN (CODA): ARTHUR J. WILHELMI: $186,287</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL COMPENSATION LISTED IN SCHEDULE J, PART II IS FROM THE ILLINOIS HEALTH AND HOSPITAL ASSOCIATION. NO TRUSTEE RECEIVED COMPENSATION FROM THE FILING ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ENTITY'S BOARD IS COMPRISED OF THE FOLLOWING INDIVIDUALS WHO ARE ALSO ON THE BOARD(S) OR AN OFFICER OF ONE OR MORE RELATED ORGANIZATIONS: TERRI L. ALLEN AND ARTHUR J. WILHELMI. THE ENTITY'S FOLLOWING OFFICERS ARE INDIVIDUALS WHO ARE ALSO ON THE BOARD(S) OR AN OFFICER OF ONE OR MORE RELATED ORGANIZATIONS: JEAN KIRKEL, TERRI L. ALLEN, KAREN HARRIS, AND ARTHUR J. WILHELMI.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION HAS ONE MEMBER, THE ILLINOIS HEALTH AND HOSPITAL ASSOCIATION (IHA).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBER HAS THE POWER TO APPOINT ALL DIRECTORS OF THE ORGANIZATION AND THE POWER TO REMOVE OFFICERS AND DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBER SHALL HAVE THE FOLLOWING RIGHTS AND OBLIGATIONS: (A) TO APPROVE ALL AMENDMENTS TO THE CORPORATION'S ARTICLES OF INCORPORATION OR BYLAWS; (B) TO APPOINT AND REMOVE THE DIRECTORS OF THE CORPORATION; (C) TO APPOINT AND REMOVE THE BOARD CHAIR, PRESIDENT, SECRETARY, AND TREASURER OF THE CORPORATION; (D) TO TAKE ACTION WITH REGARD TO EACH ANNUAL OPERATING AND CAPITAL BUDGET OF THE CORPORATION BEFORE EXPENDITURES MAY BE MADE FROM THE OPERATING AND CAPITAL BUDGET; (E) TO APPROVE EACH LONG-RANGE PLAN OF THE CORPORATION BEFORE EXPENDITURES MAY BE MADE; (F) TO APPROVE ANY INDEBTEDNESS OF THE CORPORATION WHICH WAS NOT INCLUDED IN THE ANNUAL BUDGET AND WHICH EXCEEDS 10% OF THE APPROVED BUDGET; (G) TO APPROVE ANY EXPENDITURE OR INVESTMENT OF THE CORPORATION WHICH EXCEEDS 10% OF THE APPROVED BUDGET; (H) TO APPROVE ANY PLAN OF MERGER OR CONSOLIDATION; (I) TO APPROVE A VOLUNTARY PARTIAL OR TOTAL DISSOLUTION OF THE CORPORATION; (J) TO APPROVE THE SALE, LEASE, EXCHANGE, MORTGAGE, PLEDGE, OR OTHER DISPOSITION OF ALL OR SUBSTANTIALLY ALL OF THE PROPERTY AND ASSETS OF THE CORPORATION; (K) TO APPROVE THE CREATION OF CONTROLLED OR OWNED SUBSIDIARIES OR AFFILIATES BY THE CORPORATION; (L) TO APPROVE, INITIATE, OR IMPLEMENT THE SELECTION OR USE OF AUDITORS AND/OR LEGAL COUNSEL, ACCOUNTING POLICIES, COMPENSATION POLICIES, AND OTHER OPERATIONAL POLICIES OF THE CORPORATION; AND (M) TO ESTABLISH COMPENSATION, IF ANY, OF DIRECTORS AND OFFICERS FOR SERVICES TO THE CORPORATION AS DIRECTORS AND OFFICERS, IRRESPECTIVE OF ANY PERSONAL INTEREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>WITH ASSISTANCE FROM THE LEGAL DEPARTMENT OF IHA, THE INFORMATION NEEDED TO PREPARE THE FOUNDATION'S FORM 990 IS PREPARED BY THE FINANCE STAFF OF THE FOUNDATION'S PARENT, ILLINOIS HEALTH AND HOSPITAL ASSOCIATION (IHA). THE FORM IS THEN PREPARED AND REVIEWED BY THE ASSOCIATION'S OUTSIDE TAX ADVISORS, RSM US LLP. AFTER RSM'S REVIEW, THE FORM IS FURTHER REVIEWED BY THE ASSOCIATION'S CHIEF ACCOUNTING OFFICER. EACH BOARD MEMBER RECEIVES A COPY OF THE FORM BEFORE IT IS FILED WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST DISCLOSURE FORMS ARE REVIEWED, COMPLETED AND SIGNED BY BOARD MEMBERS AND OFFICERS OF THE ENTITY. THESE ARE REVIEWED BY HUMAN RESOURCES STAFF AND SENIOR MANAGEMENT. WHEN A DIRECTOR OR OFFICER IS AWARE OF A CONFLICT OR POTENTIAL CONFLICT OF INTEREST FOR HIMSELF/HERSELF OR A FAMILY MEMBER, THE DIRECTOR OR OFFICER MUST DISCLOSE IT TO THE BOARD OR THE COMPLIANCE OFFICER OF ILLINOIS HEALTH AND HOSPITAL ASSOCIATION. AFTER DISCLOSURE OF A POTENTIAL CONFLICT OF INTEREST, THE REMAINING BOARD MEMBERS OR OFFICERS, AS THE CASE MAY BE, WOULD DECIDE IF A CONFLICT EXISTS. IF A CONFLICT IS DEEMED TO EXIST, THAT BOARD MEMBER OR OFFICER, AS THE CASE MAY BE, IS NOT ALLOWED TO VOTE ON THE MATTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION COMMITTEE OF ILLINOIS HEALTH AND HOSPITAL ASSOCIATION, A RELATED ENTITY, COMPRISED OF THE EXECUTIVE COMMITTEE OF THE BOARD OF TRUSTEES, IS RESPONSIBLE FOR REVIEWING AND APPROVING THE COMPENSATION OF THE CEO, OTHER OFFICERS AND KEY EMPLOYEES. AN INDEPENDENT COMPENSATION CONSULTANT, AS WELL AS COMPENSATION STUDIES OF OTHER SIMILAR ORGANIZATIONS ARE UTILIZED IN THE PROCESS. THE COMPENSATION COMMITTEE DOCUMENTS ALL COMPENSATION DECISIONS ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ILLINOIS HOSPITAL RESEARCH AND EDUCATIONAL FOUNDATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEES OF IHREF ARE EMPLOYEES OF THE ILLINOIS HEALTH AND HOSPITAL ASSOCIATION. APPROXIMATELY 5% OF EACH INDIVIDUALS TIME IS DEVOTED TO THE ACTIVITIES OF THE FOUNDATION, FOR WHICH THE ASSOCIATION RECEIVES NO REIMBURSEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ILLINOIS HEALTH AND HOSPITAL ASSOCIATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60563</ZIPCd>
        </USAddress>
        <EIN>362352486</EIN>
        <PrimaryActivitiesTxt>TRADE ASSOCIATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(6)</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MIDWEST ALLIANCE FOR PATIENT SAFETY</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60563</ZIPCd>
        </USAddress>
        <EIN>272552683</EIN>
        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 12A, TYPE I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IHA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MCHC CHICAGO HOSPITAL COUNCIL</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60563</ZIPCd>
        </USAddress>
        <EIN>362167008</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IHA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ASSOCIATION VENTURE CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60566</ZIPCd>
        </USAddress>
        <EIN>363507989</EIN>
        <PrimaryActivitiesTxt>HOLDING COMPANY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IHA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ASSOCIATION MANAGEMENT RESOURCES</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60566</ZIPCd>
        </USAddress>
        <EIN>363063484</EIN>
        <PrimaryActivitiesTxt>PURCH PRG &amp; DATA</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AVC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ILLINOIS RISK MANAGEMENT SERVICES</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60566</ZIPCd>
        </USAddress>
        <EIN>363100207</EIN>
        <PrimaryActivitiesTxt>CLAIMS RISK MGT.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AVC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>MEDICAL ALLIANCE INSURANCE COMPANY</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60566</ZIPCd>
        </USAddress>
        <EIN>320097644</EIN>
        <PrimaryActivitiesTxt>PHYS PL INSURANCE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AVC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>MCHC - SERVICE CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60566</ZIPCd>
        </USAddress>
        <EIN>363404171</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AVC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>IHA HUMAN CAPITAL SERVICES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1151 EAST WARRENVILLE ROAD</AddressLine1Txt>
          <CityNm>NAPERVILLE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60563</ZIPCd>
        </USAddress>
        <EIN>320541199</EIN>
        <PrimaryActivitiesTxt>HR SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AVC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>1</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>