raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:707792

Unstable gamma globin chain variant disease

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

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

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

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HBG2Disease-causing germline mutation(s) inAssessedHGNC:4832ENSG0000019656514225011p15.4hemoglobin subunit gamma 224483321[PMID]_31985299[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—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