K73 Chronic hepatitis, not elsewhere classified

Category / Non-billable header 5 subcodes

Block: Diseases of liver (K70-K77)

Excludes 1 (cannot be coded together)

  • alcoholic hepatitis (chronic) (K70.1-)
  • drug-induced hepatitis (chronic) (K71.-)
  • granulomatous hepatitis (chronic) NEC (K75.3)
  • reactive, nonspecific hepatitis (chronic) (K75.2)
  • viral hepatitis (chronic) (B15-B19)

Use Additional Code

  • code, if applicable, for ascites (R18.8)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K73..0 Chronic persistent hepatitis, not elsewhere classified Yes
K73..1 Chronic lobular hepatitis, not elsewhere classified Yes
K73..2 Chronic active hepatitis, not elsewhere classified Yes
K73..8 Other chronic hepatitis, not elsewhere classified Yes
K73..9 Chronic hepatitis, unspecified Yes

Last reviewed: September 2026