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Thread: In patient ICD-9 Coding

  1. #1

    Default In patient ICD-9 Coding

    AAPC: Back to School
    I am new with inpatient coding. I know the new ICD-9 codes take effect 10/01/08, but if the inpatient stay begins 9/27/08 and ends 10/05/08, do you use the 2008 codes or the 2009? Does present on admission mean that one would use the codes effective on the date of admission?

  2. #2
    Join Date
    Apr 2007
    Albany, New York


    I believe you would utilize the codes effective on date of discharge.

    Karen Maloney, CPC
    Data Quality Specialist

  3. #3


    That sounds right to me as well since typically that is when you know the discharge diagnosis, procedures, etc.

    I don't have any documentation to back this up, but that would be my best guess.

  4. #4
    Join Date
    Apr 2007
    Louisville, KY


    Diagnostic codes are used based on the date of discharge.

    If you have a good ICD-9, it should be stated in the guidelines.

    Good luck & hope this helps.
    Kevin B. Shields, RHIT, CPCO, CCS, CPC, COC, CCS-P, CPC-P, CPC-I

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