C22.9
C22.9 — Malignant neoplasm of liver, not specified as primary or secondary
Billable / specific codeICD-10-CM
C22.9 is a billable, specific ICD-10-CM code for malignant neoplasm of liver, not specified as primary or secondary. It is valid for submission on a claim.
Risk adjustment
C22.9 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
C22.9 is named in 63 Medicare coverage policies — 63 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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Related codes at this level
Codes that share C22. If C22.9 is not quite right, the correct code is usually one of these.
Questions about C22.9
- Is C22.9 a billable ICD-10-CM code?
- Yes. C22.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C22.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of digestive organs (C15-C26).