raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:576242

Intermediate atrioventricular septal defect

Synonyms: Intermediate AVSD · Intermediate atrioventricular canal defect · Transitional atrioventricular canal defect

Type
Morphological anomaly
Group
Disorder
Status
active

A rare congenital non-syndromic heart malformation characterized by a common atrioventricular junction with a single atrioventricular valve ring, accompanied by an ostium primum type atrial septal defect and a small ventricular septal defect.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIntermediate atrioventricular septal defectIntermediate AVSD · Intermediate atrioventricular canal defect · Transitional atrioventricular canal defect
frCanal atrioventriculaire intermédiaireCAV intermédiaire · Communication atrioventriculaire intermédiaire · Communication auriculo-ventriculaire intermédiaire · Défaut septal atrioventriculaire transitionnel · Défaut septal atrioventriculaire intermédiaire · Défaut septal auriculo-ventriculaire intermédiaire
deIntermediärer atrioventrikulärer Septumdefekt
esComunicación auriculoventricular intermediaDefecto septal auriculoventricular intermedio
itDifetto intermedio del setto atrioventricolareAVSD intermedio · Canale atrioventricolare intermedio · Canale atrioventricolare transizionale
nlIntermediair atrioventriculair septumdefect
ptDefeito septal auriculoventricular intermédio
plUbytek przegrody przedsionkowo-komorowej średnio zaawansowanyUbytek przegrody przedsionkowo-komorowej przejściowy
csStřední atrioventrikulární septální defekt= en
ukПомірно виражена атріовентрикулярна комінікаціяДефект проміжного атріовентрикулярного каналу · Проміжний AVSD · Перехідна вада атріовентрикулярного каналу
zh房室间隔缺损过渡型房室管缺损
trOrta atriyoventriküler septal defektOrta düzey AVSD · Orta atriyoventriküler kanal defekti · Transisyonel atriyoventriküler kanal defekti

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q21.2NTBTattributedvalidated
ICD-11LA87.42NTBTindexvalidated
MONDO0035557Evalidated
UMLSC4023291Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card