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ICD-10 diagnosis code

Q84.1 Congenital morphological disturbances of hair, not elsewhere classified

This page in Swedish

Q84.1 is the ICD-10 code for Congenital morphological disturbances of hair, not elsewhere classified. 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 Q84.1 includes

Conditions and terms that are coded here.

  • Beaded hair
  • Monilethrix
  • Pili annulati

What Q84.1 excludes

Conditions that look similar but belong under another code.

  • Menkes kinky hair syndrome E83.0

Q84.1 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

Q84.1Medfödda morfologiska hårmissbildningar som ej klassificeras på annan plats

  • Q84.1AMonilethrix
  • Q84.1BPili annulati
  • Q84.1CPili torti
  • Q84.1DTrichostasis spinulosa (congenita)
  • Q84.1EWoolly hair nevus
  • Q84.1WAndra morfologiska hårmissbildningar som ej klassificeras på annan plats
NorwayICD-10-NO

Q84.1Medfødt morfologisk forstyrrelse av hår, ikke klassifisert annet sted

DenmarkICD-10-DK

DQ841Medfødt morfologisk forstyrrelse i hårvæksten IKA

  • DQ841AMedfødt hypotrikose
  • DQ841BMonilethrix
  • DQ841CPili annulati
  • DQ841DPili torti
  • DQ841EWooly hair
FinlandICD-10-FI

Q84.1Muualla luokittelemattomat karvan rakenteen epämuodostumat

GermanyICD-10-GM

Q84.1Angeborene morphologische Störungen der Haare, anderenorts nicht klassifiziert

FranceICD-10-FR

Q84.1Anomalies congénitales de la morphologie des cheveux, non classées ailleurs

NetherlandsICD-10-NL

Q84.1congenitale morfologische stoornissen van haar, niet elders

United StatesICD-10-CM

Q84.1Congenital morphological disturbances of hair, not elsewhere classified

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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