:Normal range
Blood, umol/L*
Newborn: 70-330
Infants: 70-270
Children: 70-300
Adults: 70-300
Urine, umol/L*
Infants: <22
Children: <38
Adults: 0
Comment: Look amino acid in plasma & urine
Sample: 24 hr urine, spot urine, plasma, (lithium heparin) separate immediately