CPT Code:


Test Type: 1.0 mL Serum kit Based
Stability Time:


Refrigerated: 5 days

Reference Range:


  • Optimal: < 4.0 ng/mL
  • Borderline: 4.0 – 10.0 ng/mL
  • High: > 10.0 ng/mL


PSA is secreted by epithelial cells of the prostate gland and is present in small quantities in the serum of men with healthy prostate glands. Total serum PSA assay is an adjunct to a rectal examination for the screening of prostate cancer, as well as for follow-up of patients with diagnosed prostate cancer.


Electrochemiluminescence immunoassay

Collection Details:

Patient Preparation:

Patient Preparation

Recommend waiting at least 24 hours after a rectal exam before testing PSA

Collection Instructions:

Preferred Specimen

1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST / Tiger Top)

Alternate Specimen


Transport Temperature

Refrigerated (ship on frozen cold packs)


Refrigerated: 5 days