AMENDMENT NO. 1 , dated as of March 2, 2009 (this " Amendment "), to the Credit Agreement,

Exhibit 4.12(b)

           AMENDMENT NO. 1 , dated as of March 2, 2009 (this “ Amendment ”), to the Credit Agreement, dated as of November 17, 2006 as amended and restated as of June 20, 2007 among HCA INC., a Delaware corporation (“ HCA ”), the Subsidiary Borrowers party thereto, the lending institutions from time to time party thereto (each a “ Lender ” and, collectively, the “ Lenders ”), BANK OF AMERICA, N.A., as Administrative Agent (in such capacity, the “ Administrative Agent ”) and the other parties named therein (as amended from time to time, the “ Credit Agreement ”). Capitalized terms used and not otherwise defined herein shall have the meanings assigned to them in the Credit Agreement.

          WHEREAS, the Credit Parties desire to amend the Credit Agreement and certain of the other Credit Documents on the terms set forth herein;

          WHEREAS, Section 14.1 of the Credit Agreement provides that the relevant Credit Parties and the Required Lenders may amend the Credit Agreement and the other Credit Documents;

           NOW, THEREFORE, in consideration of the premises contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound hereby, agree as follows:

          SECTION 1. Amendment . The Credit Agreement is hereby amended to delete the stricken text (indicated textually in the same manner as the following example: stricken text) and to add the double-underlined text (indicated textually in the same manner as the following example: double-underlined text ) as set forth in the pages of the Credit Agreement attached as Exhibit A hereto.

          SECTION 2. Consent to Amend Intercreditor Agreement . The Required Lenders hereby give their consent to permit the Administrative Agent to acknowledge or otherwise enter into amendments to the Intercreditor Agreement solely to give effect to incurrences of Future Secured Notes (as defined in Exhibit A hereto) to the extent permitted by the Credit Agreement after giving effect to the amendments contemplated by Exhibit A hereto.

          SECTION 3. Representations and Warranties, No Default . The Borrowers hereby represent and warrant that immediately prior to and immediately after giving effect to this Amendment (i) no Default or Event of Default exists and (ii) all representations and warranties contained in the Credit Agreement or in any other Credit Document are true and correct in all material respects with the same effect as though such representations and warranties had been made on the date hereof (except that any representation or warranty which by its terms is made only as of a specified date is true and correct in all material respects only as of such specified date).

          SECTION 4. Effectiveness . Upon receipt by the Administrative Agent of executed signature pages hereto from the Required Lenders and each Credit Party party to the Credit Agreement, the terms and conditions of this Amendment shall become effective as part of the terms and conditions of the Credit Agreement for any and all purposes; however, the

amendments to the Credit Agreement attached as Exhibit A hereto shall not become operative until an amendment to the CF Agreement permitting Future Secured Notes has become operative.

          SECTION 5. Counterparts . This Amendment may be executed in any number of counterparts and by different parties hereto on separate counterparts, each of which when so executed and delivered shall be deemed to be an original, but all of which when taken together shall constitute a single instrument. Delivery of an executed counterpart of a signature page of this Amendment by facsimile transmission shall be effective as delivery of a manually executed counterpart hereof.

          SECTION 6. Applicable Law . THIS AMENDMENT SHALL BE GOVERNED BY, CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

          SECTION 7. Headings . The headings of this Amendment are for purposes of reference only and shall not limit or otherwise affect the meaning hereof.

          SECTION 8. Effect of Amendment . Except as expressly set forth herein, this Amendment shall not by implication or otherwise limit, impair, constitute a waiver of or otherwise affect the rights and remedies of the Lenders or the other Secured Parties under the Credit Agreement or any other Credit Document, and shall not alter, modify, amend or in any way affect any of the terms, conditions, obligations, covenants or agreements contained in the Credit Agreement or any other provision of either such agreement or any other Credit Document. Each and every term, condition, obligation, covenant and agreement contained in the Credit Agreement or any other Credit Document is hereby ratified and re-affirmed in all respects and shall continue in full force and effect. Each Credit Party reaffirms its obligations under the Credit Documents to which it is party and the validity of the Liens granted by it pursuant to the Security Documents. From and after the effective date of this Amendment, all references to the Credit Agreement in any Credit Document shall, unless expressly provided otherwise, refer to the Credit Agreement as amended by this Amendment.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed by their respective authorized officers as of the day and year first above written.

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SCHEDULE 1