raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99058

Hypoplasia of the mitral valve annulus

Type
Morphological anomaly
Group
Disorder
Status
active

A rare, congenital, mitral valve malformation characterized by hypoplastic annulus which usually appears within a complete mitral valve hypoplasia, causing mitral valve stenosis. Association with other cardiac malformation is common, including coarctation of the aorta, aortic valve stenosis, Shone complex and hypoplastic left heart syndrome.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypoplasia of the mitral valve annulus
frHypoplasie de l'anneau mitral
deMitralklappenanulus, Hypoplasie des-
esHipoplasia del anillo de la válvula mitral
itIpoplasia dell'anello della valvola mitrale
nlHypoplasie van annulus van mitralisklep
ptHipoplasia do anel da válvula mitral
plHipoplazja pierścienia zastawki mitralnej
csHypoplázie anulu mitrální chlopně
ukГіпоплазія кільця мітрального клапана
zh二尖瓣环发育不全
trMitral kapak halkasının hipoplazisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q23.2NTBTattributedvalidated
ICD-11LA87.1YNTBTindexvalidated
MONDO0020399Evalidated
UMLSC3165203Evalidated

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