D12.8 vs D3A.026
D12.8 (Benign neoplasm of rectum) compared with D3A.026 (Benign carcinoid tumor of the rectum), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. D12.8 carries an Excludes1 note covering D3A.026: “benign carcinoid tumor of the rectum (D3A.026)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Yes, when both are documented. D12.8 carries an Excludes2 note covering D3A.026: “benign carcinoid tumors of the large intestine and rectum (D3A.02-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| D12.8Benign neoplasm of rectum | D3A.026Benign carcinoid tumor of the rectum | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Benign neoplasm of rectum is a billable ICD-10-CM diagnosis code (D12.8). | Benign carcinoid tumor of the rectum is a billable ICD-10-CM diagnosis code (D3A.026). |
| Use additional code | — | code to identify any associated endocrine syndrome, such as: carcinoid syndrome (E34.00) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources