C22.0 — Liver cell carcinoma
C22.0 is a billable, specific ICD-10-CM code for liver cell carcinoma. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Hepatocellular carcinoma
- Hepatoma
Risk adjustment
C22.0 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 20 Lung and Other Severe Cancers1.136 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
C22.0 is named in 74 Medicare coverage policies — 74 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
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How C22.0 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to C22.0.
- Cholangiohepatoma
- Hepatocarcinoma
- Hepatocholangiocarcinoma
- Hepatoma(malignant)
- Cancer›hepatocellular
- Carcinoma›hepatic cell
- Carcinoma›hepatocellular
- Carcinoma›hepatocholangiolitic
- Carcinoma›liver cell
- Cholangiocarcinoma›with hepatocellular carcinoma, combined
- Embryoma›liver
- Hepatoma›embryonal
Related codes at this level
Codes that share C22. If C22.0 is not quite right, the correct code is usually one of these.
Questions about C22.0
- Is C22.0 a billable ICD-10-CM code?
- Yes. C22.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C22.0 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of digestive organs (C15-C26).