A Free PSA can be added to a previously run PSA specimen within 48 hours of collection if specimen is refrigerated. Specimens that have been thawed and refrozen are acceptable.
Standard Volume:
1 mL serum
Minimum Volume:
0.5 mL serum
Transport:
Refrigerated, or frozen on dry ice.
Comments:
This is a Hybritech 3rd Generation (Ultrasensitive) equimolar Total PSA with a clinical sensitivity of 0.008 ng/mL.
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