:Normal range
Blood, umol/L*
Newborn: 225-515
Infants: 100-430
Children: 150-350
Adults: 75-350
Urine, umol/L*
Infants: < 335
Children: < 893
Adults: 458-4240
Comment: Look amino acid in plasma & urine
Sample: 24hr urine, spot urine, plasma, (lithium heparin) separate immediately