Reference Ranges

Units mcg/dL umol/L
Newborn 100-250 17.9-44.8
Infant 40-100 7.2-17.9
Child 50-120 9.0-21.5
Intoxicated child 280-2550 50.1-456.5
Fatally poisoned child 1800 322.2
Adult M 65-175 11.6-31.3
Adult F 50-170 9.0-30.4