Test Name
PROSTATE SPECIFIC ANTIGEN (PSA), FREE
Aliases
FREE PSA
Abbreviations
FPSA
Test Classification
INDIVIDUAL
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
7
TAT Units
DAYS
Test Requirements
Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Refrigerated
ANALYTE STABILITY
Room Temperature: 2 days at 20-25°C │ Refrigerated: 7 days at 2-8°C │ Frozen: 2 months at -20°C
Clinical Utility
Assessing risk of prostate cancer in patients with borderline or moderately increased total PSA.
Last Review
26th Feb 2026