M21.0 is the ICD-10 code for Valgus deformity, not elsewhere classified. It is a four-character subcategory of M21 (Other acquired deformities of limbs), 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
What M21.0 excludes
Conditions that look similar but belong under another code.
M21.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M21.0Valgusdeformitet som ej klassificeras på annan plats
- M21.0CCubitus valgus
- M21.0FCoxa valga
- M21.0GGenu valgus
M21.0Ervervet valgusdeformitet ikke klassifisert annet sted
DM210Valgusdeformitet IKA
M21.0Muualla luokittamaton raajan valgusepämuotoisuus
M21.0Valgusdeformität, anderenorts nicht klassifiziert
M21.0Déformation en valgus, non classée ailleurs
M21.0valgusmisvorming, niet elders geclassificeerd
Listed through more specific codes:
- M21.00Valgus deformity, not elsewhere classified, unspecified site
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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