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C44.590

Billable

Other specified malignant neoplasm of anal skin

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

What This Code Means

A malignant skin tumor of the anal area that is not classified as basal cell or squamous cell carcinoma, representing other specified types of skin cancer in this location.

Coding Tips

  • •Confirm the tumor is located on the anal skin, not in the anal canal itself
  • •Verify the histological type does not fit basal cell (C44.51) or squamous cell (C44.52) categories

Code Hierarchy

└C44Other and unspecified malignant neoplasm of skin└C44.5Other and unspecified malignant neoplasm of skin of trunk└C44.59Other specified malignant neoplasm of skin of trunk└C44.590Other specified malignant neoplasm of anal skin
└C44.590Other specified malignant neoplasm of anal skin

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