raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99087

Coronary ostial stenosis or atresia

Synonyms: COSA · Congenital coronary arterial orifice stenosis or atresia · Congenital stenosis or atresia of a coronary ostium

Type
Morphological anomaly
Group
Disorder
Status
active

A rare coronary artery congenital malformation characterized by congenital, partial or total occlusion of the left or right coronary artery orifice, associated with hypoplasia of the proximal segment of the corresponding coronary artery. It may present with failure to thrive, dyspnea, syncope, angina pectoris, ventricular tachycardia, myocardial ischemia and/or sudden death.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCoronary ostial stenosis or atresiaCOSA · Congenital coronary arterial orifice stenosis or atresia · Congenital stenosis or atresia of a coronary ostium
frSténose ou atrésie ostiale coronaireSténose ou atrésie congénitale d'un orifice artériel coronaire · Sténose ou atrésie congénitale d'un ostium coronaire
deKoronare Ostiumstenose oder AtresieCOSA · Koronarostiumstenose oder -atresie, kongenitale
esEstenosis o atresia ostial coronariaEstenosis o atresia congénita ostial coronaria
itStenosi o atrofia dell'ostium coronarico
nlCoronaire ostiale stenose of atresieCOSA · Congenitale stenose of atresie van een coronair ostium · Congenitale stenose of atresie van een coronaire arteriële opening
ptÓstio coronário, estenose ou atrofia
plZwężenie lub zanik ujścia wieńcowego= en
csStenóza nebo atrofie koronárního ostia= en
ukСтеноз або атрезія вустя коронарної артеріїВроджений стеноз або атрезія устя коронарної артерії · Вроджений стеноз або атрезія коронарного отвору · COSA
zh冠状动脉开口狭窄或闭锁先天性冠状动脉口狭窄或闭锁
trKoroner ostial stenoz veya atreziCOSA · Koroner ostiumun doğumsal stenozu veya atrezisi · Doğumsal koroner arter açıklığı darlığı veya atrezi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q24.5NTBTattributedvalidated
ICD-11LA86.YNTBTindexvalidated
MONDO0020423Evalidated
UMLSC5575847Evalidated

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