raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:727203

SCN5A-related isolated congenital long QT syndrome

Synonyms: LQTS type 3 · SCN5A-related isolated congenital LQTS

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enSCN5A-related isolated congenital long QT syndromeLQTS type 3 · SCN5A-related isolated congenital LQTS
frSyndrome du QT long congénital isolé associé à SCN5ALQTS type 3 · LQTS congénital isolé associé à SCN5A
deSCN5A-assoziiertes isoliertes kongenitales Long-QT-SyndromLong-QT-Syndrom Typ 3 · SCN5A-assoziiertes isoliertes kongenitales LQTS
esSíndrome de QT largo congénito aislado asociado al gen SCN5ASQTL tipo 3 · SQTL aislado congénito asociado al gen SCN5A
itSindrome del QT lungo congenita isolata correlata a SCN5ALQTS tipo 3 · LQTS congenita isolata correlata a SCN5A
nlSCN5A-gerelateerd geïsoleerd congenitaal lang-QT-syndroomLQTS type 3 · SCN5A-gerelateerd geïsoleerd congenitaal LQTS
ptSCN5A-related isolated congenital Long QT syndrome
plSCN5A-related isolated congenital long QT syndrome= en
csSCN5A-related isolated congenital long QT syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM603830Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SCN5ADisease-causing germline mutation(s) (gain of function) inAssessedHGNC:10593ENSG000001838736001633p22.2sodium voltage-gated channel alpha subunit 520301308[PMID]_24093767[PMID]
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