raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:352

Galactosemia

Type
Category
Group
Group of disorders
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy, Neonatal
Status
active

A group of rare genetic metabolic disorders characterized by impaired galactose metabolism resulting in a wide range of variable manifestations.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGalactosemia
frGalactosémie
deGalaktosämie
esGalactosemia
itGalattosemia
nlGalactosemie
ptGalactosemia
plGalaktozemia
csGalaktosémie
ukГалактоземія
zh半乳糖血症
trGalaktozemi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-115C51.4YNTBTindexvalidated
MONDO0018116Evalidated
MONDO18116Evalidated
MeSHD005693Evalidated
UMLSC0016952Evalidated
GARD2424Evalidated
MedDRA10017604Evalidated

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 (3):

Children (4):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

4 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0002 / 100 000EuropeValue and classValidatedORPHANET
Prevalence at birth1-9 / 100 0001.3 / 100 000United StatesValue and classValidated22766612[PMID]
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET
Annual incidence1-9 / 100 0002.1 / 100 000EuropeValue and classValidated[EXPERT]_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