:Normal range
Blood, umol/L*
Newborn: 20-170
Infants: 30-140
Children: 30-150
Adults: 20-140
Urine, umol/L*
Infants: <10
Children: < 29
Adults: < 60
Comment: Look amino acid in plasma & urine
Sample : 24hr urine, spot urine, plasma, (lithium heparin) separate immediately