World Health Organization · 2026-01 · English
Inborn errors of metabolism
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
5C50Inborn errors of amino acid or other organic acid metabolism5C51Inborn errors of carbohydrate metabolism5C52Inborn errors of lipid metabolism5C53Inborn errors of energy metabolism5C54Inborn errors of glycosylation or other specified protein modification5C55Inborn errors of purine, pyrimidine or nucleotide metabolism5C56Lysosomal diseases5C57Peroxisomal diseases5C58Inborn errors of porphyrin or heme metabolism5C59Inborn errors of neurotransmitter metabolism5C5AAlpha-1-antitrypsin deficiency5C5YOther specified inborn errors of metabolism5C5ZInborn errors of metabolism, unspecified© World Health Organization · CC BY-ND 3.0 IGO