Test Overview

Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

May aid as a marker for prostate cancer. Do not use as a screening procedure as PSA has been observed in patient's with benign prostatic hypertrophy. Diagnostic PSA (DPSA) should be utilized for patients with a diagnosis of prostate cancer.

Reference Range*

MALE: Age 0 - 49 yrs: 0 - 2.5 ng/mL, Age 50 - 59 yrs: 0 - 3.5 ng/mL, Age 60 - 69 yrs: 0 - 4.5 ng/mL, Age 70 - 150 yrs: 0 - 6.5 ng/mL. FEMALE: Age 0 - 150 yrs: 0 - 0.1 ng/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Daily, 24 hours

Analytic Time

4 hours

Soft Order Code

PSA

MiChart Code

Protein S Antigen, Free

Laboratory

Chemical Pathology

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into plastic vial. Refrigerate up to 8 hours or freeze for longer storage. Transport to MLabs as a frozen aliquot. Please indicate whether test is being orderd for Screening (PSA) or Diagnostic (DPSA) purposes.

Container

Yellow Top Tube

Normal Volume

0.50 mL serum

Minimum Volume

0.25 mL serum

Additional Information

Prostate Specific Antigen is a more sensitive marker of prostatic adenocarcinoma than Prostatic Acid Phosphatase.

Billing Information

Fee Codes


CPT Code

G0103 PSA, 84153 DPSA

LOINC

2857-1

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