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Thread: metastatic carcinoma

  1. #1

    Default metastatic carcinoma

    AAPC: Back to School
    Anyone know if I can use 199.1 malignant neoplasm, unspecified site to code for "metastatic carcinoma, unknown primary"? Please help. Thanks.

  2. #2
    Join Date
    Apr 2007
    Columbia, MO


    Yes it is the one code that can go both ways, unknown primary or unknown secondary

    Debra A. Mitchell, MSPH, CPC-H

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