ICD-11 code : 5C50.0;
Preferred Label : Phenylketonuria;
ICD-11 definition : Phenylketonuria is a hereditary metabolic disease, characterized by deficiency of
phenylalanine hydroxylase, an enzyme necessary for the transformation of phenylalanine
into tyrosine. Untreated, phenylketonuria leads to mental retardation, sometimes profound,
as well as hypopigmentation. Dietary phenylalanine restriction allows patients to
lead almost normal lives.;
ICD-11 synonym : PKU - [phenylketonuria]; Phenylalanine hydroxylase deficiency;
ICD-11 acronym : PKU;
ICD-11 "other" category code : 5C50.0Y;
ICD-11 "unspecified" category code : 5C50.0Z;
Origin ID : 444122923;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
ICD-10 Mapping
Validated automatic mappings to BTNT
Validated automatic mappings to NTBT
Phenylketonuria is a hereditary metabolic disease, characterized by deficiency of
phenylalanine hydroxylase, an enzyme necessary for the transformation of phenylalanine
into tyrosine. Untreated, phenylketonuria leads to mental retardation, sometimes profound,
as well as hypopigmentation. Dietary phenylalanine restriction allows patients to
lead almost normal lives.