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PSA, Free and Total

(Prostate Specific Antigen, Free and Total)
Includes:
PSA-Free, PSA, Free PSA/PSA Ratio
Tube Type = Gold Top

Tube Type





Test ID   LAB171
EPIC ORDER
  PSA, TOTAL AND FREE
CPT Code(s)   84153, 84154
Group/Individual Test   Group
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 5 mL blood/gold SST tube; See Comments
  Micro: 2.3 mL blood
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time   3-5 days
Reference Range Normal: See separate report
     
Comments
  • Sample must be processed within 3 hours of collection.
  • For 12 hours before collection, patients should not take multi-vitamins or dietary supplements containing biotin (vitamin B7).
  • Ratio will only be calculated if total PSA is between 4.0-10. ng/mL.

Reviewed by J. Carr on December 12, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514