raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:353314

Pyruvate carboxylase deficiency, severe neonatal type

Synonyms: Pyruvate carboxylase deficiency type B

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

Severe neonatal pyruvate carboxylase (PC) deficiency (Type B) is a rare, extremely severe form of PC deficiency characterized by severe, early-onset metabolic acidosis, and a generally fatal outcome in early infancy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPyruvate carboxylase deficiency, severe neonatal typePyruvate carboxylase deficiency type B
frDéficit en pyruvate carboxylase, type néonatal sévèreDéficit en pyruvate carboxylase type B
dePyruvat-Carboxylase-Mangel, schwerer neonataler TypPyruvat-Carboxylase-Mangel Typ B
esDeficiencia de piruvato carboxilasa tipo neonatal graveDeficiencia de piruvato carboxilasa tipo B
itDeficit di piruvato carbossilasi, tipo neonatale graveDeficit di piruvato carbossilasi, tipo B
nlPyruvaatcarboxylasedeficiëntie, ernstig neonataal typePyruvaatcarboxylasedeficiëntie type B
ptDéfice de piruvato carboxilase, tipo neonatal grave
plNiedobór karboksylazy pirogronianowej, ciężki typ noworodkowyNiedobór karboksylazy pirogronianowej typu B
csDeficit pyruvátkarboxylasy, těžký novorozenecký typDeficit pyruvátkarboxylasy, typ B
ukДефіцит піруваткарбоксилази, тяжкий неонатальний типДефіцит піруваткарбоксилази типу В
zh丙酮酸羧化酶缺陷,严重新生儿型丙酮酸羧化酶缺乏症B型
trPiruvat karboksilaz eksikliği, ağır yenidoğan tipPiruvat karboksilaz eksikliği tip B

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM266150NTBTvalidated
ICD-10E74.4NTBTattributedvalidated
ICD-115C53.03NTBTattributedvalidated
MONDO0018142Evalidated
UMLSC5679929Evalidated

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
PCDisease-causing germline mutation(s) inAssessedHGNC:8636ENSG0000017359960878611q13.2pyruvate carboxylase20301764[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidated[EXPERT]

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