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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part V, Line 1a FORMS 1099 and PART VII, SECTION B, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>VENDORS FOR THE FILING ORGANIZATION ARE PAID BY ANN &amp; ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO ("LURIE CHILDREN'S") (EIN 36-2170833). AS SUCH, ALL REQUIRED FORM 1099 AND FORMS 1096 REPORTING IS FILED UNDER THE LURIE CHILDREN'S EIN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7b Decisions requiring approval by members or stockholders</FormAndLineReferenceDesc>
        <ExplanationTxt>ANN &amp; ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO ("LURIE CHILDREN'S") MAY AMEND OR REVOKE THE TRUST AND APPOINT THE TRUSTEE. NORTHERN TRUST, AS SOLE TRUSTEE OF THE FILING ORGANIZATION, HAS A FIDUCIARY RESPONSBILITY, UNDER TRUST LAW, TO MAKE PRUDENT DECISIONS AND OWES THIS RESPONSIBILITY TO THE FILING ORGANIZATION AND ITS CONTROLLING MEMBER, LURIE CHILDREN'S.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AUDIT AND COMPLIANCE COMMITTEE IS THE COMMITTEE OF THE CHILDREN'S HOSPITAL OF CHICAGO MEDICAL CENTER BOARD OF DIRECTORS CHARGED WITH THE OVERSIGHT OF AUDIT AND TAX MATTERS FOR THE PARENT AND AFFILIATES. DURING A SPECIAL AUDIT AND COMPLIANCE COMMITTEE MEETING, AND BEFORE THE FORM 990 WAS FILED, THE AUDIT AND COMPLIANCE COMMITTEE WAS PROVIDED A DETAILED REVIEW OF THE FORM 990 BY THE CHIEF FINANCIAL OFFICER ("CFO"). THE CFO AND OUTSIDE TAX ADVISOR ALSO RESPONDED TO THE AUDIT AND COMPLIANCE COMMITTEE MEMBERS' QUESTIONS AND AFFORDED THE OPPORTUNITY FOR DETAILED DISCUSSION OF THE FORM 990, PRIOR TO THE AUDIT AND COMPLIANCE COMMITTEE TAKING ACTION TO APPROVE THE FILING OF THE FORM 990. A FULL COPY OF THE ORGANIZATION'S FORM 990 WAS THEN PROVIDED TO THE LURIE CHILDREN'S BOARD OF DIRECTORS PRIOR TO BEING FILED. AS PART OF ITS ANNUAL RETURN PREPARATION PROCESS, THE ORGANIZATION, ON AN ONGOING BASIS, CONSULTED ITS TAX CONSULTING FIRM AND OUTSIDE TAX LEGAL COUNSEL, BOTH OF WHICH POSSESS EXPERTISE IN HEALTH CARE AND TAX-EXEMPT RETURN PREPARATION, TO ADVISE AND ASSIST IN THE PREPARATION OF THE FORM 990. THESE ADVISORS WORKED CLOSELY WITH THE ORGANIZATION'S FINANCE PERSONNEL AND OTHER MEMBERS OF THE ORGANIZATION'S TEAM ASSEMBLED TO PARTICIPATE IN THE PREPARATION OF THE FORM 990. PRIOR TO PRESENTING THE FORM 990 TO THE MEDICAL CENTER BOARD'S AUDIT AND COMPLIANCE COMMITTEE, THE ORGANIZATION'S TEAM, INCLUDING ITS ADVISORS, COLLABORATED FREQUENTLY TO DISCUSS AND REVIEW DRAFTS OF THE FORM. SUBSEQUENT TO THE AUDIT AND COMPLIANCE COMMITTEE REVIEW AND APPROVAL, FORM 990 WAS PROVIDED TO THE RESPECTIVE FILING ORGANIZATION'S BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
        <ExplanationTxt>ON AN ANNUAL BASIS, CHILDREN'S HOSPITAL OF CHICAGO MEDICAL CENTER (THE "MEDICAL CENTER") AND ITS AFFILIATES (COLLECTIVELY THE "CORPORATION") PROVIDE A COMPREHENSIVE QUESTIONNAIRE TO ITS BOARD MEMBERS, SENIOR MANAGEMENT AND PURCHASING PERSONNEL POSING QUESTIONS ABOUT ACTUAL OR POTENTIAL CONFLICTS OF INTEREST. THE MEDICAL CENTER INITIATES FOLLOW UP CONTACT TO THOSE WHO DO NOT RESPOND AND TO CLARIFY RESPONSES, WHERE NECESSARY. THE MEDICAL CENTER REVIEWS EACH DISCLOSURE AND PROVIDES A SUMMARY OF RELEVANT DISCLOSURES FOR THE REVIEW AND APPROVAL OF ITS NOMINATING AND GOVERNANCE COMMITTEE. PURSUANT TO THE CONFLICTS OF INTEREST POLICY OF THE CORPORATION, DIRECTORS, OFFICERS, PHYSICIAN LEADERS, AND OTHERS WHO ARE SUBJECT TO THE POLICY ARE REQUIRED TO PROMPTLY AND FULLY DISCLOSE IN WRITING ANY ACTUAL, APPARENT OR POTENTIAL CONFLICT OF INTEREST TO THE PRESIDENT OF THE CORPORATION AND CHIEF LEGAL OFFICER. DISCLOSURES ARE PROVIDED TO THE NOMINATING AND GOVERNANCE COMMITTEE OF THE MEDICAL CENTER BOARD OF DIRECTORS, WHICH CONSIDERS ALL CONFLICTS OF INTEREST ISSUES AND, IF APPROPRIATE, PROVIDES SUCH WRITTEN DISCLOSURE TO THE DIRECTORS AND/OR BOARD COMMITTEES CONSIDERING THE PROPOSED TRANSACTION OR OTHER APPROPRIATE PARTIES. IN ADDITION, ON AN ANNUAL BASIS, THE CORPORATION SURVEYS EACH INDIVIDUAL SUBJECT TO THE POLICY AS TO THE EXISTENCE OF ACTUAL OR POTENTIAL CONFLICTS OF INTEREST. THE CORPORATION WILL NOT ENTER INTO AN AGREEMENT, TRANSACTION OR OTHER ARRANGEMENT INVOLVING A CONFLICT OF INTEREST UNLESS THE DISINTERESTED MEMBERS OF THE NOMINATING AND GOVERNANCE COMMITTEE OF THE CORPORATION'S BOARD OF DIRECTORS DETERMINE BY A MAJORITY VOTE THAT APPROPRIATE SAFEGUARDS TO PROTECT THE CHARITABLE MISSION OF THE CORPORATION HAVE BEEN IMPLEMENTED. THE SUBJECT INTERESTED PERSON MAY NOT BE PRESENT WHEN THE VOTE IS TAKEN. IF IT IS DETERMINED THAT A CONFLICT OF INTEREST EXISTS, A DISINTERESTED PERSON OR COMMITTEE OF DISINTERESTED MEMBERS MAY BE ASSIGNED TO INVESTIGATE ALTERNATIVES TO THE PROPOSED TRANSACTION OR ARRANGEMENT. AFTER EXERCISING DUE DILIGENCE, THE BOARD OR COMMITTEE SHALL DETERMINE WHETHER THE CORPORATION CAN OBTAIN A MORE ADVANTAGEOUS TRANSACTION OR ARRANGEMENT, WITH REASONABLE EFFORTS, FROM A PERSON OR ENTITY THAT WOULD NOT GIVE RISE TO A CONFLICT OF INTEREST. IF A MORE ADVANTAGEOUS TRANSACTION OR ARRANGEMENT IS NOT REASONABLY ATTAINABLE UNDER CIRCUMSTANCES THAT WOULD NOT GIVE RISE TO A CONFLICT OF INTEREST, THE BOARD OR COMMITTEE SHALL DETERMINE BY A MAJORITY VOTE OF THE DISINTERESTED DIRECTORS WHETHER THE TRANSACTION IS IN THE CORPORATION'S BEST INTEREST AND FOR ITS OWN BENEFIT AND WHETHER THE TRANSACTION IS FAIR AND REASONABLE TO THE CORPORATION, AND SHALL MAKE ITS DECISION AS TO WHETHER TO ENTER INTO THE TRANSACTION OR ARRANGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ANN &amp; ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO LIABILITY PROTECTION PROGRAM MAKES ITS GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VII, Section B, Line 1 INDEPENDENT CONTRACTORS</FormAndLineReferenceDesc>
        <ExplanationTxt>VENDORS FOR THE FILING ORGANIZATION ARE PAID BY ANN &amp; ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO. AS SUCH, THE FIVE HIGHEST COMPENSATED INDEPENDENT CONTRACTORS ARE REPORTED ON THE FORM 990 FOR LURIE CHILDREN'S (EIN 36-2170833).</ExplanationTxt>
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