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  1. #1
    Long Island/New York
    Default Question
    Medical Coding Books
    Do you use the ICD-9 dx codes effective 10/1 or do you follow the date of service?

    Example - I have a surgery date of service 9/18. Since it's alreday Oct should I defer to 2010 ICD-9 dx codes?

    Thanks, just wanted a little clarification.

  2. #2
    No, you use the ICD-9 codes that were in effect on the date of service.

    This is why we always keep a few of the old ICD-9 books.

    Laura, CPC, CEMC

  3. #3
    Long Island/New York
    Thank you. That's what I thought..

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