U.S. ICD-10-CM · FY 2027

K73 ICD-10-CM Code: Chronic hepatitis, not elsewhere classified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

K73

Chronic hepatitis, not elsewhere classified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where K73 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Diseases of liver (K70-K77)

  3. 3

    Category K73

    Chronic hepatitis, not elsewhere classified

  4. 4

    Code K73

    Chronic hepatitis, not elsewhere classified

More specific choices

Codes under K73

K73 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for K73.

Code first

No “code first” instruction is listed for K73.

Use additional code

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

Excludes1

Conditions that should not be reported together with this code.

  • 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)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for K73.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code K73 mean?

K73 is the FY 2027 U.S. ICD-10-CM code for “Chronic hepatitis, not elsewhere classified.”

Is K73 a billable or specific ICD-10-CM code?

No. K73 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is K73 located in ICD-10-CM?

K73 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of liver (K70-K77) (K70–K77), under category K73, Chronic hepatitis, not elsewhere classified.

What coding notes are listed for K73?

No inclusion terms are listed for K73 in this reference record. No code-first instruction is listed. Additional-code instructions: code, if applicable, for ascites (R18.8). Excludes1 notes: 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). No Excludes2 note is listed.

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