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D04.9

Billable

Carcinoma in situ of skin, unspecified

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Abnormal skin cells with the potential to become cancer but have not yet invaded deeper layers of skin, when the specific body location is not documented or specified.

Coding Tips

  • •This is the least specific code in the D04 category; always attempt to identify and document the anatomical site
  • •Use only when the location of the carcinoma in situ cannot be determined from the medical record

Code Hierarchy

└D04Carcinoma in situ of skin└D04.9Carcinoma in situ of skin, unspecified
└D04.9Carcinoma in situ of skin, unspecified

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