Red top or SST tube
0.6 mL serum
0.5 mL serum
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate (preferred) or freeze.
Collect specimen in a red top or SST tube.
Monday - Friday
2 - 4 days
Immunoenzymatic Assay
Males: <0.07 ng/mL; Females: <0.08 ng/mL.
Test sent to Mayo Clinic Laboratories.
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