K74.01 Hepatic fibrosis, early fibrosis

Billable ICD-10-CM code, FY2026.

Applicable to

• Hepatic fibrosis, stage F1 or stage F2

Applies from K74 Fibrosis and cirrhosis of liver

Excludes1 (never code together)

• alcoholic cirrhosis (of liver) (K70.3)
• alcoholic fibrosis of liver (K70.2)
• cardiac sclerosis of liver (K76.1)
• cirrhosis (of liver) with toxic liver disease (K71.7)
• congenital cirrhosis (of liver) (P78.81)
• pigmentary cirrhosis (of liver) (E83.110)

Code also

• , if applicable, viral hepatitis (acute) (chronic) (B15-B19)

Applies from K74.0 Hepatic fibrosis

Code first

• underlying liver disease, such as:
• nonalcoholic steatohepatitis (NASH) (K75.81)

MS-DRG index

Defines the logic of DRG(s) 432-434 in MDC 07.

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to K74.01

Back-references to K74.0

• Use Additional: K75.81 Nonalcoholic steatohepatitis (NASH) ("code, if applicable, hepatic fibrosis (K74.0-)")

Diagnosis Index entries for K74.01

• Fibrosis, fibrotic › liver › early
• Fibrosis, fibrotic › liver › stage › F1 or F2

Nearby codes

• K74 Fibrosis and cirrhosis of liver
• K74.0 Hepatic fibrosis
• K74.00 Hepatic fibrosis, unspecified
• K74.01 Hepatic fibrosis, early fibrosis (this code)
• K74.02 Hepatic fibrosis, advanced fibrosis
• K74.1 Hepatic sclerosis
• K74.2 Hepatic fibrosis with hepatic sclerosis
• K74.3 Primary biliary cirrhosis
• K74.4 Secondary biliary cirrhosis