﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-05T16:56:37-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>561743537</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>LANGDON &amp; COMPANY LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>223 US HIGHWAY 70 EAST SUITE 100</AddressLine1Txt>
        <CityNm>GARNER</CityNm>
        <StateAbbreviationCd>NC</StateAbbreviationCd>
        <ZIPCd>275294051</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>463405526</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>RARE CANCER RESEARCH FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>RARE</BusinessNameControlTxt>
      <PhoneNum>9198278373</PhoneNum>
      <USAddress>
        <AddressLine1Txt>703 FOSTER STREET</AddressLine1Txt>
        <CityNm>DURHAM</CityNm>
        <StateAbbreviationCd>NC</StateAbbreviationCd>
        <ZIPCd>27701</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MARSHALL THOMPSON</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>9198278373</PhoneNum>
      <SignatureDt>2024-11-05</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JESSICA DUPREE</PreparerPersonNm>
      <PTIN>P02000926</PTIN>
      <PhoneNum>9196621001</PhoneNum>
      <PreparationDt>2024-11-05</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="7">
    <IRS990 documentId="RetDoc2" referenceDocumentId="RetDoc6">
      <PrincipalOfficerNm>MARSHALL THOMPSON</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>703 FOSTER ST</AddressLine1Txt>
        <CityNm>DURHAM</CityNm>
        <StateAbbreviationCd>NC</StateAbbreviationCd>
        <ZIPCd>27701</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>3503960</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.RCRF.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2013</FormationYr>
      <LegalDomicileStateCd>NC</LegalDomicileStateCd>
      <ActivityOrMissionDesc>THE RARE CANCER RESEARCH FOUNDATION IS DEDICATED TO CURING RARE CANCERS THROUGH STRATEGIC INVESTMENTS AND COLLABORATIONS THAT CATALYZE EFFECTIVE RESEARCH AND ACCELERATE DEPLOYMENT OF PROMISING THERAPIES.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>4</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>3</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>10</TotalEmployeeCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>37638</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>2606409</CYContributionsGrantsAmt>
      <CYProgramServiceRevenueAmt>891959</CYProgramServiceRevenueAmt>
      <CYInvestmentIncomeAmt>0</CYInvestmentIncomeAmt>
      <CYOtherRevenueAmt>5592</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>37638</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>3503960</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>100045</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>1039281</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>233756</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>1128338</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>333801</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>2167619</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-296163</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>1336341</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>757505</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>3033890</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>2089</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>942133</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>755416</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>2091757</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>THE RARE CANCER RESEARCH FOUNDATION IS DEDICATED TO CURING RARE CANCERS THROUGH STRATEGIC INVESTMENTS AND COLLABORATIONS THAT CATALYZE EFFECTIVE RESEARCH AND ACCELERATE DEPLOYMENT OF PROMISING THERAPIES.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>889907</ExpenseAmt>
      <RevenueAmt>856707</RevenueAmt>
      <Desc>PPOI (FORMERLY H37) IS ON A MISSION TO CREATE EXCEPTIONAL OUTCOMES FOR INDIVIDUALS FACING ADVANCED CANCER BY PUSHING THE BOUNDARIES OF SCIENCE, RESEARCH, AND CLINICAL INNOVATIONS. WORKING IN DEEP PARTNERSHIP WITH A SMALL GROUP OF CLIENTS WITH ADVANCED CANCERS, PPOI EXPLORES THE DETAILED MOLECULAR AND CLINICAL CHARACTERISTICS OF INDIVIDUAL CLIENT'S DISEASE TO HELP THEM AND THEIR CLINICAL TEAM MAKE MORE DATA-INFORMED DECISIONS ABOUT THEIR TREATMENT JOURNEY. WE HAVE ALREADY SEEN THE SUCCESS OF THIS PROGRAM IN THE FIRST PERSONALIZED VACCINE VALIDATED WITH MASS SPECTROMETRY IN THE COUNTRY AS WELL AS DAILY WINS AS WE WORK TO NAVIGATE THROUGH THIS COMPLEX AND EVER-CHANGING LANDSCAPE ON BEHALF OF THESE PATIENTS.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>406457</ExpenseAmt>
        <RevenueAmt>35252</RevenueAmt>
        <Desc>PATTERN.ORG IS A GROUNDBREAKING PLATFORM THAT ALLOWS RCRF TO WORK DIRECTLY WITH CANCER PATIENTS ACROSS THE COUNTRY TO IDENTIFY PATIENTS ELIGIBLE TO DONATE TISSUE TO RESEARCH, EDUCATE THOSE PATIENTS ON RESEARCH OPPORTUNITIES, CONSENT THEM INTO SUCH RESEARCH PROGRAMS, AND THEN COORDINATE THE BIO-LOGISTICS OF MOVING THEIR TISSUE FROM THEIR LOCAL HOSPITALS TO WORLD-CLASS RESEARCH INSTITUTIONS. PATTERN.ORG WAS LAUNCHED WITH GREAT SUCCESS IN 2016, AND IN 2023, DELIVERED HIGH QUALITY, VIABLE, LIVING RARE CANCER TISSUE FROM BOTH ACADEMIC AND COMMUNITY HOSPITALS ACROSS THE U.S. TO CRITICAL,INNOVATIVE RESEARCH INITIATIVES.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>231263</ExpenseAmt>
        <Desc>A PROGRAM INITIATED IN 2023 TO DEVELOP A UNIFIED PLATFORM TO HOST COMBINED MOLECULAR AND CLINICAL RARE CANCER DATA WHICH WILL BE SHARED BROADLY WITH THE CANCER RESEARCH COMMUNITY.</Desc>
      </ProgSrvcAccomActy3Grp>
      <TotalProgramServiceExpensesAmt>1527627</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc7">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
      <ConservationEasementsInd>false</ConservationEasementsInd>
      <CollectionsOfArtInd>false</CollectionsOfArtInd>
      <CreditCounselingInd>false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>false</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd>false</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd>false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd>false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd>false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc3">true</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd referenceDocumentId="RetDoc4">false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd referenceDocumentId="RetDoc4">false</PYExcessBenefitTransInd>
      <LoanOutstandingInd referenceDocumentId="RetDoc4">false</LoanOutstandingInd>
      <GrantToRelatedPersonInd referenceDocumentId="RetDoc4">false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd referenceDocumentId="RetDoc4">false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd referenceDocumentId="RetDoc4">true</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd referenceDocumentId="RetDoc4">false</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd referenceDocumentId="RetDoc5">true</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd referenceDocumentId="RetDoc5">false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>25</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>10</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>false</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>4</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>3</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>true</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>false</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>false</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>false</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>true</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>true</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>BARBARA VAN HARE</PersonNm>
        <PhoneNum>8168686352</PhoneNum>
        <USAddress>
          <AddressLine1Txt>81 OLD HICKORY TRAIL</AddressLine1Txt>
          <CityNm>HENDERSONVILLE</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>28739</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARSHALL THOMPSON</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>189251</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>5175</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>AMBER SMITH</PersonNm>
        <TitleTxt>BIOBANK MANA</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>136717</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>5175</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BARBARA VAN HARE</PersonNm>
        <TitleTxt>PRES. OF PAT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>121264</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>5400</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHRIS HEERY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARK LAABS</PersonNm>
        <TitleTxt>FOUNDER &amp; CH</TitleTxt>
        <AverageHoursPerWeekRt>15.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RYAN PRIPSTEIN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>447232</TotalReportableCompFromOrgAmt>
      <TotalOtherCompensationAmt>15750</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>3</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>WILLIAM HOOS</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>128 GRAYLYN DRIVE</AddressLine1Txt>
            <CityNm>CHAPEL HILL</CityNm>
            <StateAbbreviationCd>NC</StateAbbreviationCd>
            <ZIPCd>27516</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSULTANT</ServicesDesc>
        <CompensationAmt>158330</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>2606409</AllOtherContributionsAmt>
      <NoncashContributionsAmt>48751</NoncashContributionsAmt>
      <TotalContributionsAmt>2606409</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>PARTICIPANT SERVICE FEES</Desc>
        <TotalRevenueColumnAmt>695457</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>695457</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PARTICIPANT REIMBURSABLE REV.</Desc>
        <TotalRevenueColumnAmt>161250</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>161250</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PROGRAM SERVICE REVENUE</Desc>
        <TotalRevenueColumnAmt>35252</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>35252</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>891959</TotalProgramServiceRevenueAmt>
      <OtherRevenueMiscGrp>
        <Desc>DELIVERED PATIENT SAMPLES</Desc>
        <TotalRevenueColumnAmt>5500</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5500</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>BIO BANKING FEES</Desc>
        <TotalRevenueColumnAmt>92</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>92</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>5592</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3503960</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>897551</RelatedOrExemptFuncIncomeAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>321090</TotalAmt>
        <ProgramServicesAmt>224187</ProgramServicesAmt>
        <ManagementAndGeneralAmt>96903</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>618392</TotalAmt>
        <ProgramServicesAmt>431361</ProgramServicesAmt>
        <ManagementAndGeneralAmt>187031</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>14272</TotalAmt>
        <ProgramServicesAmt>10238</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4034</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>85527</TotalAmt>
        <ProgramServicesAmt>44773</ProgramServicesAmt>
        <ManagementAndGeneralAmt>40754</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>53895</TotalAmt>
        <ProgramServicesAmt>44566</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9329</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>24904</TotalAmt>
        <ManagementAndGeneralAmt>24904</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>385594</TotalAmt>
        <ProgramServicesAmt>210702</ProgramServicesAmt>
        <ManagementAndGeneralAmt>174892</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>13515</TotalAmt>
        <ManagementAndGeneralAmt>13515</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>24814</TotalAmt>
        <ProgramServicesAmt>7519</ProgramServicesAmt>
        <ManagementAndGeneralAmt>17295</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>48103</TotalAmt>
        <ProgramServicesAmt>5869</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42234</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>46473</TotalAmt>
        <ProgramServicesAmt>24187</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22286</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>1270</TotalAmt>
        <ManagementAndGeneralAmt>1270</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PROGRAM SERVICE EXPENSE</Desc>
        <TotalAmt>514025</TotalAmt>
        <ProgramServicesAmt>514025</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PAYROLL PROCESSING FEES</Desc>
        <TotalAmt>14710</TotalAmt>
        <ProgramServicesAmt>10200</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4510</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MERCHANDISE</Desc>
        <TotalAmt>1035</TotalAmt>
        <ManagementAndGeneralAmt>1035</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>2167619</TotalAmt>
        <ProgramServicesAmt>1527627</ProgramServicesAmt>
        <ManagementAndGeneralAmt>639992</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>755842</BOYAmt>
        <EOYAmt>2881110</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <EOYAmt>127681</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>331</BOYAmt>
        <EOYAmt>25099</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>1332</BOYAmt>
      </LandBldgEquipBasisNetGrp>
      <TotalAssetsGrp>
        <BOYAmt>757505</BOYAmt>
        <EOYAmt>3033890</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <EOYAmt>112964</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <EOYAmt>829169</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>2089</BOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2089</BOYAmt>
        <EOYAmt>942133</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>755416</BOYAmt>
        <EOYAmt>2091757</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>755416</BOYAmt>
        <EOYAmt>2091757</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>757505</BOYAmt>
        <EOYAmt>3033890</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>1336341</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc7">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>38755</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>23945</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1050279</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>37638</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2606409</CurrentTaxYearAmt>
        <TotalAmt>3757026</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>38755</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>23945</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1050279</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>37638</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2606409</CurrentTaxYearAmt>
        <TotalAmt>3757026</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>1349717</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>2407309</PublicSupportTotal170Amt>
      <TotalSupportAmt>3757026</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>361507</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.64070</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.34220</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleJ documentId="RetDoc3">
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARSHALL THOMPSON</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>189251</BaseCompensationFilingOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>5175</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>194426</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc4">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>BARBARA VAN HARE</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>FAMILY MEMBER</RelationshipDescriptionTxt>
        <TransactionAmt>121264</TransactionAmt>
        <TransactionDesc>COMPENSATION</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE L, PART V</FormAndLineReferenceDesc>
        <ExplanationTxt>BARBARA VAN HARE, THE AUNT OF PRINCIPAL OFFICER MARK LAABS, IS EMPLOYED BY RCRF AS THE DIRECTOR OF PARTNERSHIPS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc5">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>48751</NoncashContributionsRptF990Amt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>false</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc6">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>BARBARA VAN HARE MARK LAABS DIRECTOR OFFICER AUNT</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 "REVIEW PROCESS" WILL INVOLVE E-MAIL CIRCULATION AND INSPECTION BY EACH OF THE BOARD MEMBERS FOLLOWED BY DOCUMENTED APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ENSURE THE CORPORATION OPERATES IN A MANNER CONSISTENT WITH CHARITABLE PURPOSES AND DOES NOT ENGAGE IN ACTIVITIES THAT COULD JEOPARDIZE ITS TAX- EXEMPT STATUS, PERIODIC REVIEW SHALL BE CONDUCTED. THE PERIODIC REVIEWS SHALL, AT A MINIMUM, INCLUDE WHETHER COMPENSATION ARRANGEMENTS AND BENEFITS ARE REASONABLE, BASED ON COMPETENT SURVEY INFORMATION, AND THE RESULT OF ARM'S LENGTH BARGAINING, AND WHETHER PARTNERSHIPS, JOINT VENTURES, AND ARRANGEMENTS WITH MANAGEMENT ORGANIZATIONS CONFORM TO THE CORPORATION'S WRITTEN POLICIES, ARE PROPERLY RECORDED, REFLECT REASONABLE INVESTMENT OR PAYMENTS FOR GOODS AND SERVICES, FURTHER CHARITABLE PURPOSES AND DO NOT RESULT IN INUREMENT, IMPERMISSIBLE PRIVATE BENEFIT OR IN AN EXCESS BENEFIT TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>NO EXECUTIVE OFFICERS WERE COMPENSATED IN THE CURRENT YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>NO EXECUTIVE OFFICERS WERE COMPENSATED IN THE CURRENT YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL DOCUMENTS ARE CURRENTLY AVAILABLE TO THE PUBLIC UPON REQUEST. PROSPECTIVELY, ALL INFORMATION WILL ALSO BE AVAILABLE ON WWW.GUIDESTAR.COM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTING SERVICES 196,484 119,068 0 REGULATORY FEES 4,210 0 0 REGISTERED AGENT FEES 0 4,005 0 CONTRACT LABOR 10,008 51,819 0 TOTAL 210,702 174,892 0</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>