Rare Zebra

Rare disease search prototype built on Orphanet data

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ORPHA:79283

Methylmalonic acidemia with homocystinuria, type cblD

Also called CblD defect, Cobalamin D defect, Combined defect in adenosylcobalamin and methylcobalamin synthesis, type cblD, Methylmalonic aciduria with homocystinuria, type cblD

Body system
Inborn errors of metabolism
Inheritance pattern
Autosomal recessive
Typical age of onset
All ages
Estimated prevalence
<1 / 1 000 000 (Worldwide)
Rarity class
<1 / 1 000 000

ORPHA:79283 is classified under "Inborn errors of metabolism" in the Orphanet nomenclature.

Common signs

  • Atypical behavior
  • Pallor
  • Intellectual disability
  • Seizure
  • Lethargy
  • Global developmental delay