| Reference Interval (µg/L) |
| Age |
Male |
Female |
| < 3 months |
0.8 - 33.54 |
| 3 months - 2 years |
0.14 - 6.27 |
| 2 - 7 years |
0.05 - 5.11 |
| 7 - 12 years |
0.02 - 4.76 |
| 12 - 14 years |
0.01 - 6.2 |
| 14 - 19 years |
0.02 - 3.81 |
0.03 - 5.22 |
| > 19 years |
< 0.97 |
< 3.6 |
Sources:
Paediatric: CALIPER Study. Adeli, Khosrow. Critical Reviews in Clinical Laboratory Sciences 2017: 3.21 - 18.5
Adult: Beckman Coulter
