raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:450

Visceral heterotaxy

Synonyms: Heterotaxy · Heterotaxy syndrome

Type
Morphological anomaly
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, X-linked recessive
Age of onset
Antenatal, Infancy, Neonatal
Status
active

A rare developmental defect during embryogenesis characterized by abnormal arrangement of the thoraco-abdominal organs across the left-right axis of the body. By definition, it does not include situs inversus totalis (total mirror-imagery).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enVisceral heterotaxyHeterotaxy · Heterotaxy syndrome
frHétérotaxie viscéraleHétérotaxie · Syndrome d'hétérotaxie
deHeterotaxie, viszeraleHeterotaxie · Heterotaxie-Syndrom · HTX
esHeterotaxia visceralHeterotaxia · Síndrome de heterotaxia
itEterotassia visceraleEterotassia · Sindrome eterotassica · HTX
nlViscerale heterotaxieHeterotaxie · Heterotaxie-syndroom
ptHeterotaxia visceralSíndrome de heterotaxia · Heterotaxia
plHeterotaksja trzewnaDefekt lateralizacji · Heterotaksja trzewna · Zespół heterotaksji
csHeterotaxieHeterotaktický syndrom · Defekt lateralizace · Viscerální heterotaxie
ukГетеротаксіяСиндром гетеротаксису · Дефект латералізації · Вісцеральна гетеротаксис
zh内脏异位偏侧缺陷
trHeterotaksiliHeterotaksi sendromu · Viseral heterotaksi · Lateralizasyon defekti

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM270100BTNTvalidated
OMIM306955BTNTvalidated
OMIM601086BTNTvalidated
OMIM605376BTNTvalidated
OMIM606325BTNTvalidated
OMIM613751BTNTvalidated
OMIM614779BTNTvalidated
OMIM616749BTNTvalidated
OMIM617205BTNTvalidated
OMIM618948BTNTvalidated
OMIM619702BTNTvalidated
ICD-10Q89.3Especificvalidated
MONDO0018677Evalidated
MONDO18677Evalidated
MeSHD059446Evalidated
UMLSC3178805Evalidated
GARD10875Evalidated
MedDRA10067265Evalidated

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):

Children (2):

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct · 1 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GDF1ORPHA:97548Right isomerismDisease-causing germline mutation(s) inAssessedHGNC:4214ENSG0000013028360288019p13.11growth differentiation factor 120413652[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-5 / 10 00011 / 100 000United StatesValue and classValidated25099286[PMID]
Point prevalence1-9 / 100 000—EuropeClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

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

7

Sources for this card