Prostate-Specific Antigen (PSA), Total & Free, Serum

Additional Info: Includes total PSA, Free PSA, % Free and Risk of Prostatic cancer

Useful For: Serum PSA levels should not be interpreted as absolute evidence of the presence or absence of disease.

Methodology: Immunoenzymatic

Specimen Requirements:
1 yellow-top SST tube (minimum: 0.6 mL of serum). Centrifuge SST soon after clotting. Separate serum and FREEZE immediately. Send specimen frozen in plastic vial.

NOTE:
Do not collect specimen after transrectal biopsy, results may be falsely elevated.
Plasma samples are unacceptable.

Analytical Time: 3 days

Days Set Up: Monday through Friday

CPT Information:
84153 – PSA, Total
84154 – PSA, Free