raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:631095

Spinocerebellar ataxia type 44

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enSpinocerebellar ataxia type 44
frAtaxie spinocérébelleuse type 44
deAtaxie, spinozerebelläre, Typ 44
esAtaxia espinocerebelosa tipo 44
itAtassia spinocerebellare tipo 44
nlSpinocerebellaire ataxie type 44
ptAtaxia espinhocerebelosa tipo 44
plAtaksja rdzeniowo-móżdżkowa typu 44
csSpinocerebelární ataxie, typ 44
ukСпіноцеребеллярна атаксія, тип 44
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617691Evalidated
ICD-10G11.4NTBTattributedvalidated
ICD-118A03.16NTBTattributedvalidated
MONDO0033479Evalidated
UMLSC5816774Evalidated

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
GRM1Disease-causing germline mutation(s) inAssessedHGNC:4593ENSG000001528226044736q24.3glutamate metabotropic receptor 128886343[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated28886343[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated28886343[PMID]_ORPHANET

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