:Normal range
Blood, umol/L*
Newborn: 235-700
Infants: 100-619
Children: 150-600
Adults: 200-600
Urine, umol/L*
Infants: < 183
Children: 43-367
Adults: 200-1040
Comment: Look amino acid
Sample:Urine,spot urine, plasma,(lithium heparin) separate immediately