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
5C50.0 — Phenylketonuria
5C50.00 — Classical phenylketonuria
ICD-11 5C50.00 — Classical phenylketonuria
Classical phenylketonuria is a severe form of phenylketonuria (PKU, ) an inborn error of amino acid metabolism characterised in untreated patients by severe intellectual deficit and neuropsychiatric complications.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: