raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79310

Vitamin B12-responsive methylmalonic acidemia type cblA

Synonyms: Vitamin B12-responsive methylmalonic aciduria type cblA

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

This disease is described under Vitamin B12-responsive methylmalonic acidemia

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enVitamin B12-responsive methylmalonic acidemia type cblAVitamin B12-responsive methylmalonic aciduria type cblA
frAcidémie méthylmalonique sensible à la vitamine B12 type cblAAcidurie méthylmalonique sensible à la vitamine B12 type cblA
deMethylmalonazidämie, Vitamin B12-sensible, Typ cblAMethylmalonazidurie, Vitamin B12-abhängige, Typ cblA
esAcidemia metilmalónica sensible a la vitamina B12 tipo cblAAciduria metilmalónica sensible a la vitamina B12 tipo cblA
itAcidemia metilmalonica sensibile alla vitamina B12, tipo cblAAciduria metilmalonica sensibile alla vitamina B12, tipo cblA
nlVitamine B12-responsieve methylmalonacidemie type cblAVitamine B12-responsieve methylmalonacidemie type cblA · Vitamine B12-responsieve methylmalonacidurie type cblA · Vitamine B12-responsieve methylmalonzuuracidemie type cblA · Vitamine B12-responsieve methylmalonzuuracidurie type cblA
ptAcidemia metilmalónica sensível à vitamina B12 tipo cbl A
plKwasica metylomalonowa reagująca na witaminę B12 typu cblAAcyduria metylomalonowa reagująca na witaminę B12 typu cblA
csMethylmalonová acidémie responsivní na vitamin B12, typ cbIAMethylmalonová acidurie responsivní na vitamin B12, typ cbIA
ukМетилмалонова ацидемія тип cblA, чутлива до вітаміну В12Метилмалонова ацидурія, що реагує на вітамін В12, тип cblA
zh维生素B12反应性甲基丙二酸血症cbIA型维生素B12-反应性甲基丙二酸尿症,cbIA型
trB12 vitaminine duyarlı metilmalonik asidemi tip cblAB12 vitaminine duyarlı metilmalonik asidüri tipi cblA
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM251100Evalidated
ICD-10E71.1NTBTattributedvalidated
ICD-115C50.E0NTBTindexvalidated
MONDO0009613Evalidated
MeSHC537360Evalidated
UMLSC1855109Evalidated

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
MMAADisease-causing germline mutation(s) inAssessedHGNC:18871ENSG000001516116074814q31.21metabolism of cobalamin associated A
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families60 casesWorldwideCase(s)ValidatedORPHANET
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