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ICD-10 diagnosis code

Q23.1 Congenital insufficiency of aortic valve

This page in Swedish

Q23.1 is the ICD-10 code for Congenital insufficiency of aortic valve. It is a four-character subcategory of Q23 (Congenital malformations of aortic and mitral valves), the most specific level in the WHO edition. It belongs to the block Q20–Q28 (Congenital malformations of the circulatory system) 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 Q23.1 includes

Conditions and terms that are coded here.

  • Bicuspid aortic valve
  • Congenital aortic insufficiency

Q23.1 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

Q23.1Medfödd aortaklaffinsufficiens

NorwayICD-10-NO

Q23.1Medfødt aortainsuffisiens

DenmarkICD-10-DK

DQ231Medfødt aortaklapinsufficiens

  • DQ231AValvula aortae bicuspidalis
FinlandICD-10-FI

Listed through more specific codes:

  • Q23.10Synnynnäinen aorttaläpän vuoto
  • Q23.11Kaksiliuskainen aorttaläppä
GermanyICD-10-GM

Q23.1Angeborene Aortenklappeninsuffizienz

FranceICD-10-FR

Q23.1Insuffisance congénitale de la valvule aortique

NetherlandsICD-10-NL

Q23.1congenitale insufficiëntie van aortaklep

United StatesICD-10-CM

Q23.1Congenital insufficiency of aortic valve

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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