K72.91 — Hepatic failure, unspecified with coma
K72.91 is a billable, specific ICD-10-CM code for hepatic failure, unspecified with coma. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Hepatic coma NOS
Other codes that can never be billed with K72.91
These codes carry an Excludes1 note pointing at K72.91. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K72.91 alone.
- K76.82Hepatic encephalopathy
Risk adjustment
K72.91 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 63 Chronic Liver Failure/End-Stage Liver Disorders0.962 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
K72.91 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56612Billing and Coding: CT of the Head
- A56669Billing and Coding: Hospice - Liver Disease
How K72.91 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 K72.91.
- Atrophy, atrophic›liver›with coma
- Failure, failed›hepatic›with coma
- Hepatitis›malignant NEC›with coma
- Impaired, impairment›liver›with coma
- Jaundice›malignant›with coma
Related codes at this level
Codes that share K72.9. If K72.91 is not quite right, the correct code is usually one of these.
Questions about K72.91
- Is K72.91 a billable ICD-10-CM code?
- Yes. K72.91 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does K72.91 sit in the tabular list?
- Diseases of the digestive system (K00-K95), in the block Diseases of liver (K70-K77).