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.

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