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K73

Non-billable

Chronic hepatitis, not elsewhere classified

K73 is the ICD-10-CM code for Chronic hepatitis, not elsewhere classified. It is a non-billable category code — use a more specific child code such as K73.0 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Subcodes
5
Edition
FY2026

K00-K95 Diseases of the digestive system

Excludes1 — not 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)

Frequently asked questions

What is ICD-10 code K73?
K73 is the ICD-10-CM code for "Chronic hepatitis, not elsewhere classified". It falls under K00-K95 Diseases of the digestive system.
Is K73 a billable code?
No — K73 is a non-billable header code. Use a more specific child code (such as K73.0) for billing.
What are the subcodes of K73?
K73 has 5 more specific child codes, including K73.0, K73.1, K73.2.
What is excluded from K73?
Excludes1 (not coded here): alcoholic hepatitis (chronic) (K70.1-); drug-induced hepatitis (chronic) (K71.-); granulomatous hepatitis (chronic) NEC (K75.3); reactive, nonspecific hepatitis (chronic) (K75.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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