raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:707789

Unstable alpha globin chain variant disease

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Childhood, Infancy
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enUnstable alpha globin chain variant disease
frAnémie par hémoglobine instable due à la chaîne alpha globine
deInstabile Alpha-Globinketten-Variante
esEnfermedad por inestabilidad de la variante de la cadena de globina alfa inestable
itMalattia da variante instabile della catena dell’alfa globina
nlZiektevariant door onstabiele alfaglobineketen
ptUnstable alpha globin chain variant disease
plChoroba z niestabilnym wariantem łańcucha alfa-globiny
csUnstable alpha globin chain variant disease
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D58.2NTBTattributedvalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HBA1Disease-causing germline mutation(s) inAssessedHGNC:4823ENSG0000020617214180016p13.3hemoglobin subunit alpha 128696843[PMID]
HBA2Disease-causing germline mutation(s) inAssessedHGNC:4824ENSG0000018853614185016p13.3hemoglobin subunit alpha 225212678[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

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