Preferred Label : 6-pyruvoyl-tetrahydropterin synthase deficiency;
ICD-11 definition : 6-pyruvoyl-tetrahydropterin synthase (PTPS) deficiency is one of the causes of malignant
hyperphenylalaninemia due to tetrahydrobiopterin deficiency, as well as of defective
neurotransmission of monoamines. When left untreated, the deficiency causes neurological
signs at age 4 or 5 months including psychomotor retardation, tonus disorders, convulsions,
drowsiness, irritability, abnormal movements, hyperthermia, hypersalivation and difficulty
swallowing.;
ICD-11 synonym : PTPS deficiency; PTPS - [6-pyruvoyl-tetrahydropterin synthase] deficiency;
Origin ID : 1744398760;
UMLS CUI : C0878676;
Currated CISMeF NLP mapping
Semantic type(s)
UMLS correspondences (same concept)
6-pyruvoyl-tetrahydropterin synthase (PTPS) deficiency is one of the causes of malignant
hyperphenylalaninemia due to tetrahydrobiopterin deficiency, as well as of defective
neurotransmission of monoamines. When left untreated, the deficiency causes neurological
signs at age 4 or 5 months including psychomotor retardation, tonus disorders, convulsions,
drowsiness, irritability, abnormal movements, hyperthermia, hypersalivation and difficulty
swallowing.