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D12.1

✓ Billable

Benign neoplasm of appendix

Neoplasms (C00-D49)

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❌ Excludes1

direct

Cannot be coded with D12.1

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

⚠️ Excludes2

inherited from D12

Rules from parent category D12: Benign neoplasm of colon, rectum, anus and anal canal

  • • benign carcinoid tumors of the large intestine and rectum (D3A.02-)
  • • polyp of colon NOS (K63.5)

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Code Information

CodeD12.1
BillableYes
ParentD12
CategoryNeoplasms (C00-D49)
Excludes11 rule(s)
Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)