PROSTATE SPECIFIC ANTIGEN TOTAL AND FREE

Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) frozen in a screw-capped plastic vial. Collect specimen prior to or at least one week after biopsy, rectal exam, or other manipulation of prostate.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Grossly hemolyzed, grossly lipemic, non-frozen samples, plasma

Methodology
Chemiluminescence

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 days

Reference Range
Interpretive Report - Includes Free PSA, Total PSA and % Free PSA. Free PSA only run if Total PSA is 2-10 ng/mL.

Performed
Monday-Friday

Turnaround Time3 days
Test CodeFPSA
CPT-4 Code (s)
84153, plus 84154 if Free PSA performed at an additional charge.
LOINC Codes
Total PSA   2857-1  
Free PSA   10886-0  
% Free PSA   12841-3  

Warde
Medical
Laboratory