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ICD-10 diagnosis code

Q84.6 Other congenital malformations of nails

This page in Swedish

Q84.6 is the ICD-10 code for Other congenital malformations of nails. It is a four-character subcategory of Q84 (Other congenital malformations of integument), the most specific level in the WHO edition. It belongs to the block Q80–Q89 (Other congenital malformations) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.

Code type
Subcategory (4 characters)
Chapter
XVII · Q00–Q99
Classification
WHO ICD-10, 2019 version

What Q84.6 includes

Conditions and terms that are coded here.

  • Congenital:
    • clubnail
    • koilonychia
    • malformation of nail NOS

Q84.6 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

Q84.6Andra medfödda missbildningar av naglar

  • Q84.6AMedfödd klubbnagel
  • Q84.6BMedfödd koilonyki
  • Q84.6CMedfödd nagelskörhet
  • Q84.6DMedfödd onychorrhexis
  • Q84.6EMedfödd onykodysplasi av pekfingernaglar [Iso-Kikuchi]
  • Q84.6FNagelatrofi (medfödd)
  • Q84.6GOnychoheterotopia congenita
  • Q84.6HPlatyonychia (congenita)
  • and 2 more national subcodes
NorwayICD-10-NO

Q84.6Annen medfødt misdannelse av negl

DenmarkICD-10-DK

DQ846Anden medfødt misdannelse af negle

  • DQ846EMedfødt negleatrofi
  • DQ846FMedfødt neglehypoplasi
  • DQ846GMedfødte skenegle
  • DQ846HMedfødt misdannelse af negle UNS
FinlandICD-10-FI

Q84.6Muu synnynnäinen kynsiepämuodostuma

GermanyICD-10-GM

Q84.6Sonstige angeborene Fehlbildungen der Nägel

FranceICD-10-FR

Q84.6Autres malformations congénitales des ongles

NetherlandsICD-10-NL

Q84.6overige congenitale misvormingen van nagels

United StatesICD-10-CM

Q84.6Other congenital malformations of nails

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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