D12: Benign neoplasm of colon, rectum, anus and anal canal

Codes under D12 (Benign neoplasm of colon, rectum, anus and anal canal). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
D12.0	Benign neoplasm of cecum	✓
D12.1	Benign neoplasm of appendix	✓
D12.2	Benign neoplasm of ascending colon	✓
D12.3	Benign neoplasm of transverse colon	✓
D12.4	Benign neoplasm of descending colon	✓
D12.5	Benign neoplasm of sigmoid colon	✓
D12.6	Benign neoplasm of colon, unspecified	✓
D12.7	Benign neoplasm of rectosigmoid junction	✓
D12.8	Benign neoplasm of rectum	✓
D12.9	Benign neoplasm of anus and anal canal	✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

Code the diagnosis right