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ICD-10 diagnosis code

M20.4 Other hammer toe(s) (acquired)

This page in Swedish

M20.4 is the ICD-10 code for Other hammer toe(s) (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

M20.4 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

M20.4Hammartå (förvärvad)

NorwayICD-10-NO

M20.4Annen ervervet hammertå

DenmarkICD-10-DK

DM204Hammertå UNS

FinlandICD-10-FI

M20.4Vasaravarvas

GermanyICD-10-GM

M20.4Sonstige Hammerzehe(n) (erworben)

FranceICD-10-FR

M20.4Autre(s) orteil(s) en marteau (acquis)

NetherlandsICD-10-NL

M20.4overige hamertenen (verworven)

United StatesICD-10-CM

Listed through more specific codes:

  • M20.40Other hammer toe(s) (acquired), unspecified foot
  • M20.41Other hammer toe(s) (acquired), right foot
  • M20.42Other hammer toe(s) (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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