ICD-10 diagnosis code

K73 Chronic hepatitis, not elsewhere classified

K73 is the ICD-10 code for Chronic hepatitis, not elsewhere classified. It is a three-character category divided into 5 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block K70–K77 (Diseases of liver) in Chapter XI, Diseases of the digestive system.

Code type: Category (3 characters)
Chapter: XI · K00–K93
Classification: WHO ICD-10, 2019 version

What K73 excludes

Conditions that look similar but belong under another code.

hepatitis (chronic):
- alcoholic K70.1
- drug-induced K71.-
- granulomatous NEC K75.3
- reactive, nonspecific K75.2
- viral B15-B19

Subcodes of K73

K73 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

K73Kronisk hepatit som ej klassificeras på annan plats

DenmarkICD-10-DK

DK73Kronisk leverbetændelse IKA

FinlandICD-10-FI

K73Muualla luokittamaton pitkäaikainen maksatulehdus

GermanyICD-10-GM

K73Chronische Hepatitis, anderenorts nicht klassifiziert

FranceICD-10-FR

K73Hépatite chronique, non classée ailleurs

NetherlandsICD-10-NL

K73chronische hepatitis, niet elders geclassificeerd

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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