ICD-10-CM 2027
ICD-10 code for cancer
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Cancer”. Page updated September 29, 2026.
About coding cancer
The official ICD-10-CM index doesn't give a single default code for cancer; the code depends on the details below.
More specific cancer codes (official index)
- bile duct type liver C22.1 — Intrahepatic bile duct carcinoma
- blood
- breast C50.91 — Malignant neoplasm of breast of unspecified site, female
- hepatocellular C22.0 — Liver cell carcinoma
- lung C34.90 — Malignant neoplasm of unspecified part of unspecified bronchus or lung
- ovarian C56.9 — Malignant neoplasm of unspecified ovary
- unspecified site (primary) C80.1 — Malignant (primary) neoplasm, unspecified
Common questions about cancer ICD-10 codes
What is the ICD-10 code for bile duct type liver cancer?
- C22.1 — Intrahepatic bile duct carcinoma.
What is the ICD-10 code for breast cancer?
- C50.91 — Malignant neoplasm of breast of unspecified site, female (header code; choose a more specific subcode).
What is the ICD-10 code for hepatocellular cancer?
- C22.0 — Liver cell carcinoma.
What is the ICD-10 code for lung cancer?
- C34.90 — Malignant neoplasm of unspecified part of unspecified bronchus or lung.
What is the ICD-10 code for ovarian cancer?
- C56.9 — Malignant neoplasm of unspecified ovary.