Immediatley following collection, mix sample by gently inverting 5 times
1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection
Gold serum separator (SST) tube
Red/grey serum separator (SST) vial/tube, 10 mL
False bottom plasma/serum transport vial/tube (AHL)
Red/grey serum separator (SST) vial/tube, 10 mL
Refrigerated (preferred) - 8 days
Frozen (OK)
Freeze/thaw cycles - stable x1
Turbidimetric
Reference range varies according to age
Age |
Reference range |
0 through 2 years |
32.7 - 1270 mg/dL |
3 through 4 years |
468 - 1250 mg/dL |
5 through 6 years |
532 - 1340 mg/dL |
7 through 8 years |
454 - 1360 mg/dL |
9 through 10 years |
468 - 1360 mg/dL |
11 through 12 years |
468 - 1490 mg/dL |
13 through 14 years |
664 - 1490 mg/dL |
15 through 18 years |
550 - 1440 mg/dL |
Adult |
610 - 1616 mg/dL |