ICD-10-CM > K00-K95 > K70-K77 > K74 > K74.0 K74.0 Hepatic fibrosis Non-Billable/Non-Specific Code First underlying liver disease, such as:nonalcoholic steatohepatitis (NASH) (K75.81) Codes K74.00Hepatic fibrosis, unspecifiedK74.01Hepatic fibrosis, early fibrosisK74.02Hepatic fibrosis, advanced fibrosis