Pyruvate carboxylase deficiency

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Pyruvate carboxylase deficiency, benign type

ORPHA:353320Clinical subtype

Also called Pyruvate carboxylase deficiency type C

What it is

Benign pyruvate carboxylase (PC) deficiency (Type C) is a rare, very mild form of PC deficiency characterized by episodic metabolic acidosis and normal or mildly delayed neurological development.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Infancy
Inheritance
Autosomal recessive
Classified as
Clinical subtype

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Gene

PCDisease-causing germline mutation(s)

ICD-10 codes

E74.4filed under a broader ICD-10 category — shared with 13 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0018143OMIM 266150UMLS C5679927

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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