K73
⚠ Non-billable
Chronic hepatitis, not elsewhere classified
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K73
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code 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)
Frequently asked questions
What is ICD-10 code K73?
ICD-10-CM code K73 represents Chronic hepatitis, not elsewhere classified. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K73 billable?
No. K73 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is K73 in?
K73 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K73 category
K73.0
Chronic persistent hepatitis, not elsewhere classified
Billable
K73.1
Chronic lobular hepatitis, not elsewhere classified
Billable
K73.2
Chronic active hepatitis, not elsewhere classified
Billable
K73.8
Other chronic hepatitis, not elsewhere classified
Billable
K73.9
Chronic hepatitis, unspecified
Billable
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