raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:572543

RFVT2-related riboflavin transporter deficiency

Synonyms: RTD2 · Riboflavin transporter deficiency 2

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy
Status
active

This disease is described under Riboflavin transporter deficiency

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRFVT2-related riboflavin transporter deficiencyRTD2 · Riboflavin transporter deficiency 2
frDéficit en transporteur de la riboflavine lié à RFVT2RTD2 · Déficit en transporteur de la riboflavine 2
deRFVT2-assoziierte Riboflavin-Transporter-DefizienzRTD2 · Riboflavin-Transporter-Mangel Typ 2
esDeficiencia del transportador de riboflavina asociada a RFVT2Deficiencia del transportador de riboflavina tipo 2
itDeficit del trasportatore della riboflavina correlato a RFVT2Deficit del trasportatore della riboflavina 2 · RTD2
nlRFVT2-gerelateerde riboflavinetransporterdeficiëntieRTD2 · Riboflavinetransporterdeficiëntie 2
ptDeficiência do transportador de riboflavina RFVT2-relacionada
plNiedobór transportera ryboflawiny związany z RFVT2Niedobór transpotera ryboflawiny 2
csRFVT2-vázaný deficit riboflavinového transportéru= en
ukДефіцит транспортера рибофлавіну, повязаний з RFVT2Дефіцит транспортера рибофлавіну 2 · RTD2
zhRFVT2基因相关核黄素转运蛋白缺乏症核黄素转运蛋白缺乏症2型
trRFVT2-ilişkili riboflavin taşıyıcı eksikliğiRTD2 · Riboflavin taşıyıcı eksikliği 2
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM614707Evalidated
ICD-10G12.1NTBTattributedvalidated
ICD-11LD2H.YNTBTattributedvalidated
MONDO0024537Evalidated
UMLSC0796274Evalidated

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
SLC52A2Disease-causing germline mutation(s) inAssessedHGNC:30224ENSG000001858036078828q24.3solute carrier family 52 member 226973221[PMID]_30793323[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