:Normal range
Blood, umol/L*
Newborn: 75-220
Infants: 50-220
Children: 75-200
Adults: 100-250
Urine, umol/L*
Infants: < 73
Children: < 145
Adults: 110-840
Comment: Look amino acid in plasma & urine
Sample: 24hr urine, spot urine, plasma, (lithium heparin) separate immediately