K75.4 Autoimmune hepatitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Lupoid hepatitis NEC

Applies from K75 Other inflammatory liver diseases

Excludes2 (not included here)

• toxic liver disease (K71.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 65 — Chronic Hepatitis
• CMS-HCC V22: HCC 29 — Chronic Hepatitis
• ESRD V24: HCC 29

MS-DRG index

Defines the logic of DRG(s) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 571.42 Autoimmune hepatitis

Diagnosis Index entries for K75.4

• Hepatitis › autoimmune
• Hepatitis › lupoid NEC

Nearby codes

• K75 Other inflammatory liver diseases
• K75.0 Abscess of liver
• K75.1 Phlebitis of portal vein
• K75.2 Nonspecific reactive hepatitis
• K75.3 Granulomatous hepatitis, not elsewhere classified
• K75.4 Autoimmune hepatitis (this code)
• K75.8 Other specified inflammatory liver diseases
• K75.81 Nonalcoholic steatohepatitis (NASH)
• K75.89 Other specified inflammatory liver diseases
• K75.9 Inflammatory liver disease, unspecified