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 | ✓ |
| D12.0 | Benign neoplasm of cecum | ✓ |
| D12.1 | Benign neoplasm of appendix | ✓ |
| D12.1 | Benign neoplasm of appendix | ✓ |
| D12.2 | Benign neoplasm of ascending colon | ✓ |
| D12.2 | Benign neoplasm of ascending colon | ✓ |
| D12.3 | Benign neoplasm of transverse colon | ✓ |
| D12.3 | Benign neoplasm of transverse colon | ✓ |
| D12.4 | Benign neoplasm of descending colon | ✓ |
| D12.4 | Benign neoplasm of descending colon | ✓ |
| D12.5 | Benign neoplasm of sigmoid colon | ✓ |
| D12.5 | Benign neoplasm of sigmoid colon | ✓ |
| D12.6 | Benign neoplasm of colon, unspecified | ✓ |
| D12.6 | Benign neoplasm of colon, unspecified | ✓ |
| D12.7 | Benign neoplasm of rectosigmoid junction | ✓ |
| D12.7 | Benign neoplasm of rectosigmoid junction | ✓ |
| D12.8 | Benign neoplasm of rectum | ✓ |
| D12.8 | Benign neoplasm of rectum | ✓ |
| D12.9 | Benign neoplasm of anus and anal canal | ✓ |
| D12.9 | Benign neoplasm of anus and anal canal | ✓ |
Frequently asked questions
What is ICD-10-CM code D12?
D12 is an ICD-10-CM category covering Benign neoplasm of colon, rectum, anus and anal canal. It contains 20 more specific diagnosis codes, 20 of which are billable.
Is D12 a billable code?
No — D12 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D12.0 — Benign neoplasm of cecum). 20 of the 20 codes under D12 are billable.
What codes fall under D12?
D12 includes D12.0, D12.0, D12.1, D12.1, D12.2, plus 15 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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