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K73.9

Chronic hepatitis, unspecified

Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 4 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 18 never code together
K73code
Excludes1
  • alcoholic hepatitis (chronic) (K70.1-)K70.1-
  • drug-induced hepatitis (chronic) (K71.-)K71.-
  • granulomatous hepatitis (chronic) NEC (K75.3)K75.3
  • reactive, nonspecific hepatitis (chronic) (K75.2)K75.2
  • viral hepatitis (chronic) (B15-B19)B15-B19
K70-K77block
Excludes1
  • jaundice NOS (R17)R17
Excludes2
K00-K95chapter
Excludes2
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1
K73code
Use additional code
  • code, if applicable, for ascites (R18.8)R18.8
Official Guidelines 1 names this code

ICD-10-CM Official Guidelines for Coding and Reporting, quoted in full. Published by CMS and NCHS; in the public domain.

I.C.11 Chapter 11: Diseases of the Digestive System (K00-K95) names this code p.58

Reserved for future guideline expansion

Index entries leading here 2
  • Hepatitis K75.9
  • Inflammation, inflamed, inflammatory (with exudation)
    • liver (capsule) — see also Hepatitis
Alongside this code 4 same parent — K73
K73.0 Chronic persistent hepatitis, not elsewhere classified K73.1 Chronic lobular hepatitis, not elsewhere classified K73.2 Chronic active hepatitis, not elsewhere classified K73.8 Other chronic hepatitis, not elsewhere classified
Medications 3
44 Hepatitis, Chronic drugs 28 Hepatitis C, Chronic drugs 14 Hepatitis B, Chronic drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC29 CMS28HCC65 ESRD21HCC29 ESRD24HCC29

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
K73
Block
K70-K77
Siblings
4

Present FY2024–FY2027.