Often increased
4- Isoleucine (Urine)Reference range exampleChild (0 - 16y): 40–150 µmol/L; Child (0 - 16y): 100–250 µmol/LLinked diagnostic tests1Urine Amino Acid Concentration
- Methionine (Urine)Reference range exampleChild (0 - 16y): 70–220 µmol/L; Adult ( > 16y): 55–320 µmol/LLinked diagnostic tests1Urine Amino Acid Concentration
- Phenylalanine (Urine)Reference range exampleChild (0 - 16y): 200–600 µmol/L; Adult ( > 16y): 400–1,000 µmol/LLinked diagnostic tests1Urine Amino Acid Concentration
- Tyrosine (Urine)Reference range exampleChild (0 - 16y): 300–850 µmol/L; Adult ( > 16y): 400–1,500 µmol/LLinked diagnostic tests1Urine Amino Acid Concentration