5C50.70 Glycine encephalopathy

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Isolated nonketotic hyperglycinemia is an inborn disorder of glycine metabolism whose onset is generally neonatal with coma, severe hypotonia, myoclonic seizures, and microcephaly, usually progressing to severe intellectual deficit and tetrapyramidal syndrome.

synonyms

• Glycine encephalopathy
• Non-ketotic hyperglycinaemia
• Glycine cleavage deficiency
• nonketotic hyperglycinaemia
• Neonatal glycine encephalopathy
• Infantile glycine encephalopathy
• Atypical glycine encephalopathy

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