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
What this means — in plain language
MedlinePlus · NIHWhat is colorectal cancer? Colorectal cancer is cancer that develops in the tissues of the colon or rectum. Your colon and rectum are part of your digestive system: Your colon is the first and longest part of your large intestine. It absorbs water and some nutrients from foods. It also changes the leftover waste products into stool (poop). Your rectum is the lower part of your large intestine. It's where your body…
Read more about Colorectal Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Malignant neoplasm of rectal ampulla
Excludes1 — not coded here
- •malignant carcinoid tumor of the rectum (C7A.026)
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
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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