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ICD-10 diagnosis code

M22.4 Chondromalacia patellae

This page in Swedish

M22.4 is the ICD-10 code for Chondromalacia patellae. It is a four-character subcategory of M22 (Disorders of patella), the most specific level in the WHO edition. It belongs to the block M20–M25 (Other joint disorders) 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

M22.4 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

M22.4Chondromalacia patellae

NorwayICD-10-NO

M22.4Kondromalasi i kneskål

DenmarkICD-10-DK

DM224Kondromalaci i patella

FinlandICD-10-FI

M22.4Polvilumpion kondromalasia

GermanyICD-10-GM

M22.4Chondromalacia patellae

FranceICD-10-FR

M22.4Chondromalacie rotulienne

NetherlandsICD-10-NL

M22.4chondromalacia patellae

United StatesICD-10-CM

Listed through more specific codes:

  • M22.40Chondromalacia patellae, unspecified knee
  • M22.41Chondromalacia patellae, right knee
  • M22.42Chondromalacia patellae, left knee

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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