PROSTATIC SPECIFIC ANTIGEN, FREE & TOTAL

Message

Serum is the only acceptable sample type - do not send plasma.

Test Code

PSAF2

CPT Codes
84154; 84153

Includes

Includes: Free PSA and Total PSA

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.5 mL

Other Acceptable Specimens

or 1 Red tube

Instructions

Serum is the only acceptable sample type; do not send plasma. Centrifuge for complete separation of serum and red cells. If Red top is used, aliquot (transfer) serum into a transfer tube and refrigerate.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 7 days
Frozen up to 5 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis

Methodology

ECLIA (EIA by Chemiluninescence)

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

Clinical Significance

This test is useful in distinguishing prostate cancer from benign prostatic conditions in men age 50 years or older.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB2 (Chemistry, Beckman DxI)

Last Updated: June 9, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.