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Boca Biolistics Reference Laboratory > Test Menu > P > PSA, Free

PSA, Free

Abbreviation

FPSA

Preferred Specimen

Serum

Minimum Vol

0.5 mL

Transport Temp

2-8 C (ice packs)

Collection Instructions

Routine venipuncture

Stability

Store at 2-8C up to 24 hours, if not tested within 24 hours, freeze at -20C

Alternative Specimens

None

Reference Ranges

Healthy Males: 0-2.5 ng/mL BPH: results up to 5.0 ng/mL

Stage A Prostate Cancer: up to >10 ng/mL

Stage B Prostate cancer: up to 5.0 ng/mL

Transport Container

Draw tube or plastic pour off tube

Methodology

2-step immunoassay using CMIA (Chemiluminescent Microparticle Immunoassay)

Clinical Significance

Decreased levels-leakage of PSA from the prostate gland. Increased levels- associated with prostatic pathology; including prostatitis, benign prostatic hyperplasia, (BPH), and cancer of the prostate.

Alternative Names

Free PSA

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