ICD-11 classes
05 Endocrine, nutritional or metabolic diseases
Metabolic disorders
Inborn errors of metabolism
5C50 — Inborn errors of amino acid or other organic acid metabolism
5C50.7 — Disorders of glycine metabolism
5C50.70 — Glycine encephalopathy

ICD-11 5C50.70 — Glycine encephalopathy

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

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.