1.0 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin (preferred)
or
1.0 mL Serum in a SST Gold Top Tube
1.0 mL Serum from a Red Top Tube in a Plastic Vial
or
1.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial
1 week Refrigerated
6 hours unspun
Avoid Hemoloysis
0.2 mL
Male: >1 yr: 21-224 U/L
This assay utilizes biotin technology. Patients taking vitamin supplements containing high doses of biotin (>5 mg/day) may have falsely decreased test results generated.
01420277
82550