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ICD-10 diagnosis code

M17.9 Gonarthrosis, unspecified

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M17.9 is the ICD-10 code for Gonarthrosis, unspecified. It is a four-character subcategory of M17 (Gonarthrosis [arthrosis of knee]), the most specific level in the WHO edition. It belongs to the block M15–M19 (Arthrosis) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.

Code type
Subcategory (4 characters)
Chapter
XIII · M00–M99
Classification
WHO ICD-10, 2019 version

M17.9 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

M17.9Gonartros, ospecificerad

NorwayICD-10-NO

M17.9Uspesifisert kneleddsartrose

DenmarkICD-10-DK

DM179Knæledsartrose UNS

FinlandICD-10-FI

M17.9Määrittämätön polvinivelrikko

GermanyICD-10-GM

M17.9Gonarthrose, nicht näher bezeichnet

FranceICD-10-FR

M17.9Gonarthrose, sans précision

NetherlandsICD-10-NL

M17.9gonartrose, niet-gespecificeerd

United StatesICD-10-CM

M17.9Osteoarthritis of knee, unspecified

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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