C20
BillableMalignant neoplasm of rectum
C20 is the ICD-10-CM code for Malignant neoplasm of rectum. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- C00-D49
- Edition
- FY2026
C00-D49 Neoplasms
Includes
- •Malignant neoplasm of rectal ampulla
Excludes1 — not coded here
- •malignant carcinoid tumor of the rectum (C7A.026)
Frequently asked questions
- What is ICD-10 code C20?
- C20 is the ICD-10-CM code for "Malignant neoplasm of rectum". It falls under C00-D49 Neoplasms.
- Is C20 a billable code?
- Yes — C20 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from C20?
- Excludes1 (not coded here): malignant carcinoid tumor of the rectum (C7A.026).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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