C22.0 — Liver cell carcinoma
C22.0

What this code means
Hepatocellular carcinoma is the most common type of primary liver cancer, arising from liver cells.
Also called: hepatocellular carcinoma, hcc, liver cancer.
When this code is used
Used for hepatocellular carcinoma.
Where it sits in ICD-10-CM
Code C22.0 belongs to Chapter 2: Neoplasms, which covers codes C00–D49 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Learn more about this condition
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code C22.0?
C22.0 is the ICD-10-CM diagnosis code for “Liver cell carcinoma”. Hepatocellular carcinoma is the most common type of primary liver cancer, arising from liver cells.
When is code C22.0 used?
Used for hepatocellular carcinoma. It belongs to Chapter 2 of ICD-10-CM (Neoplasms).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.
More codes in Chapter 2
C16.9 — Malignant neoplasm of stomach, unspecified
C18.9 — Malignant neoplasm of colon, unspecified
C20 — Malignant neoplasm of rectum
C25.9 — Malignant neoplasm of pancreas, unspecified
C34.90 — Malignant neoplasm of unspecified part of unspecified bronchus or lung
C43.9 — Malignant melanoma of skin, unspecified