:Normal range
Blood, umol/L*
Newborn: 25-150
Infants: 20-95
Children: 40-122
Adults: 40-100
Urine, umol/L*
Infants: < 20
Children: < 21
Adults: < 36
Comment: Look amino acid in plasma & urine
Sample: 24hr urine, spot urine, plasma, (lithium heparin) separates immediately