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D12.1

Billable

Benign neoplasm of appendix

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

What This Code Means

A benign (non-cancerous) tumor located in the appendix, a small tube-shaped organ attached to the cecum.

Coding Tips

  • Verify the neoplasm is in the appendix itself and not in adjacent structures like the cecum
  • Note whether the appendix was removed (appendectomy) during treatment or diagnosis

Excludes 1 — Do NOT code together

  • benign carcinoid tumor of the appendix (D3A.020)

Code Hierarchy

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