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ICD-10 diagnosis code

M20.1 Hallux valgus (acquired)

This page in Swedish

M20.1 is the ICD-10 code for Hallux valgus (acquired). It is a four-character subcategory of M20 (Acquired deformities of fingers and toes), 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 M20.1 includes

Conditions and terms that are coded here.

  • Bunion

M20.1 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

M20.1Hallux valgus (förvärvad)

NorwayICD-10-NO

M20.1Ervervet hallux valgus

DenmarkICD-10-DK

DM201Erhvervet hallux valgus

  • DM201ABunio
FinlandICD-10-FI

M20.1(Hankinnainen) vaivaisenluu

GermanyICD-10-GM

M20.1Hallux valgus (erworben)

FranceICD-10-FR

M20.1Hallux valgus (acquis)

NetherlandsICD-10-NL

M20.1hallux valgus (verworven)

United StatesICD-10-CM

Listed through more specific codes:

  • M20.10Hallux valgus (acquired), unspecified foot
  • M20.11Hallux valgus (acquired), right foot
  • M20.12Hallux valgus (acquired), left foot

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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