1.0 mL Serum from a Red Top Tube in a Plastic Vial
1.0 mL Serum in a SST Gold Top Tube
or
1.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial
or
1.0 mL Plasma from a Green Top Tube - Na Heparin in a Plastic Vial
7 days Ambient
7 week Refrigerated (Preferred)
60 days Frozen
Separate Serum from Clot and refrigerate within one hour of collection
0.5 mL Serum
Pediatric (6 months to 17 years): 13 - 100 U/L
Adult: 9 - 67 U/L
2 to 5 days
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