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K75.81 — Nonalcoholic steatohepatitis (NASH)
K75.81
What this code means
Nonalcoholic steatohepatitis (NASH, also called MASH) is fatty liver with inflammation and liver-cell injury in people who drink little alcohol.
Also called: nash, mash, nonalcoholic steatohepatitis.
When this code is used
Used for nonalcoholic steatohepatitis (NASH).
Where it sits in ICD-10-CM
Code K75.81 belongs to Chapter 11: Diseases of the digestive system, which covers codes K00–K95 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related anatomy
Frequently asked questions
What is ICD-10-CM code K75.81?
K75.81 is the ICD-10-CM diagnosis code for “Nonalcoholic steatohepatitis (NASH)”. Nonalcoholic steatohepatitis (NASH, also called MASH) is fatty liver with inflammation and liver-cell injury in people who drink little alcohol.
When is code K75.81 used?
Used for nonalcoholic steatohepatitis (NASH). It belongs to Chapter 11 of ICD-10-CM (Diseases of the digestive system).
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.