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C44.521

Billable

Squamous cell carcinoma of skin of breast

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

What This Code Means

A type of skin cancer (squamous cell carcinoma) that develops on the skin of the breast area. This is a malignant tumor that arises from the outer layer of skin cells.

Coding Tips

  • •Verify the histology is confirmed as squamous cell carcinoma, not basal cell or other types
  • •Ensure documentation specifies the breast location to distinguish from other trunk sites

Code Hierarchy

└C44Other and unspecified malignant neoplasm of skin└C44.5Other and unspecified malignant neoplasm of skin of trunk└C44.52Squamous cell carcinoma of skin of trunk└C44.521Squamous cell carcinoma of skin of breast
└C44.521Squamous cell carcinoma of skin of breast

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