:Normal range
Blood, umol/L*
Newborn: 40-80
Infants: 50-100
Children: 40-95
Adults: 44-80
Urine, umol/L*
Infants: < 80
Children: < 106
Adults: 88-300
Comment: Look amino acid in plasma & urine
Sample: 24hr urine, spot urine, plasma, (lithium heparin) separate immediately