ICD-10 diagnosis code

M22 Disorders of patella

M22 is the ICD-10 code for Disorders of patella. It is a three-character category divided into 7 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block M20–M25 (Other joint disorders) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.

Code type: Category (3 characters)
Chapter: XIII · M00–M99
Classification: WHO ICD-10, 2019 version

What M22 excludes

Conditions that look similar but belong under another code.

dislocation of patella S83.0

Subcodes of M22

M22 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

M22Sjukdomar i patella

DenmarkICD-10-DK

DM22Sygdomme i knæskal

FinlandICD-10-FI

M22Polvilumpion sairaudet

GermanyICD-10-GM

M22Krankheiten der Patella

FranceICD-10-FR

M22Lésion de la rotule

NetherlandsICD-10-NL

M22aandoeningen van patella

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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