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D49.3

Billable

Neoplasm of unspecified behavior of breast

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

What This Code Means

A tumor or growth of unknown behavior found in breast tissue.

Coding Tips

  • Specify laterality (right or left breast) and location within the breast if documented in the medical record
  • Obtain biopsy results or imaging findings to determine if the lesion should be classified as benign (D24) or malignant (C50)

Excludes 1 — Do NOT code together

  • neoplasm of unspecified behavior of skin of breast (D49.2)

Code Hierarchy

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