ICD-10-CM › K00-K95 › K70-K77 › K73 Chronic hepatitis, not elsewhere classified › K73.9

K73.9

Chronic hepatitis, unspecified

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Chronic hepatitis, unspecified

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from K73 Chronic hepatitis, not elsewhere classified

Excludes1 - never coded here

  • 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)

Inherited from the K70-K77 section Diseases of liver (K70-K77)

Excludes1 - never coded here

  • jaundice NOS (R17)

Excludes2 - not included here

  • hemochromatosis (E83.11-)
  • Reye's syndrome (G93.7)
  • viral hepatitis (B15-B19)
  • Wilson's disease (E83.01)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
K73.0 Chronic persistent hepatitis, not elsewhere classified Valid
K73.1 Chronic lobular hepatitis, not elsewhere classified Valid
K73.2 Chronic active hepatitis, not elsewhere classified Valid
K73.8 Other chronic hepatitis, not elsewhere classified Valid