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ICD-10 diagnosis code

Q25.4 Other congenital malformations of aorta

This page in Swedish

Q25.4 is the ICD-10 code for Other congenital malformations of aorta. It is a four-character subcategory of Q25 (Congenital malformations of great arteries), 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 Q25.4 includes

Conditions and terms that are coded here.

  • Absence
    • of aorta
  • Aplasia
    • of aorta
  • Congenital:
    • aneurysm of aorta
    • dilatation of aorta
  • Aneurysm of sinus of Valsalva (ruptured)
  • Double aortic arch [vascular ring of aorta]
  • Hypoplasia of aorta
  • Persistent:
    • convolutions of aortic arch
    • right aortic arch

What Q25.4 excludes

Conditions that look similar but belong under another code.

  • hypoplasia of aorta in hypoplastic left heart syndrome Q23.4

Q25.4 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

Q25.4Andra medfödda missbildningar av aorta

NorwayICD-10-NO

Q25.4Annen medfødt misdannelse av aorta

DenmarkICD-10-DK

DQ254Anden medfødt misdannelse i aorta

  • DQ254AAortaagenesi
  • DQ254BMedfødt aortaaneurisme
  • DQ254CAneurysma congenitum sinus coronarii
  • DQ254DMedfødt aortaaplasi (IAA/afbrudt aortabue)
  • DQ254EArcus aortae dexter persistens
  • DQ254FConvolutio arcus aortae persistens
  • DQ254GMedfødt aortadilatation
  • DQ254HMedfødt aortahypoplasi
  • and 1 more national subcodes
FinlandICD-10-FI

Q25.4Muut synnynnäiset aortan epämuodostumat

  • Q25.40Aortan vajaakehitys
  • Q25.41Pysyväksi jäänyt oikeanpuoleinen aortankaari
  • Q25.42Ratsastava aortta
  • Q25.43Aortan poukaman (sinus Valsalvae) [puhjennut] aneurysma
  • Q25.44Aortan kaksoiskaari
  • Q25.45Synnynnäinen aortan aneurysma
  • Q25.48Muu synnynnäinen aortan epämuodostuma
GermanyICD-10-GM

Q25.4Sonstige angeborene Fehlbildungen der Aorta

FranceICD-10-FR

Q25.4Autres malformations congénitales de l'aorte

NetherlandsICD-10-NL

Q25.4overige congenitale misvormingen van aorta

United StatesICD-10-CM

Listed through more specific codes:

  • Q25.40Congenital malformation of aorta unspecified
  • Q25.41Absence and aplasia of aorta
  • Q25.42Hypoplasia of aorta
  • Q25.43Congenital aneurysm of aorta
  • Q25.44Congenital dilation of aorta
  • Q25.45Double aortic arch
  • Q25.46Tortuous aortic arch
  • Q25.47Right aortic arch
  • and 2 more national subcodes

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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