raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99062

Mitral valve agenesis

Type
Morphological anomaly
Group
Disorder
Status
active

Mitral valve agenesis is a rare congenital heart malformation defined as an agenesis or severe hypoplasia of both mitral valve leaflets (complete agenesis) or one of the leaflets (partial agenesis). Complete mitral valve agenesis presents in the neonatal period with symptoms of severe mitral regurgitation and is rapidly fatal unless surgically treated. It is frequently associated with other heart malformations. Partial mitral valve agenesis may present at various ages, usually with symptoms of mitral regurgitation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMitral valve agenesis
frAgénésie des valves mitrales
deMitralklappenagenesie
esAgenesia de la válvula mitral
itAgenesia della valvola mitrale
nlMitralisklepagenesie
ptAgenesia da válvula mitral
plAgnezja zastawki mitralnej
csAgeneze mitrální chlopně
ukАгенезія мітрального клапана
zh二尖瓣发育不全
trMitral kapak agenezisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q23.3NTBTattributedvalidated
ICD-11LA87.1YNTBTattributedvalidated
MONDO0020403Evalidated
UMLSC0685721Evalidated

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