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D37.5

Billable

Neoplasm of uncertain behavior of rectum

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

What This Code Means

A growth in the rectum with uncertain behavior that needs further investigation to determine whether it is benign or malignant.

Coding Tips

  • Distinguish between rectal lesions (D37.5) and colonic lesions (D37.4) based on anatomical location documented in endoscopy reports
  • Ensure pathology confirms uncertain behavior classification; coordinate with gastroenterology for follow-up recommendations

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