Specimen: 2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen. Do not draw sample within 7 days of Digital Rectal Examination (DRE) or Rectal Prostatic Ultrasonography.
Stability (Room): 2 hrs
Stability (Refrigerated): 24 hrs
Stability (Frozen): 4 weeks
Method: Chemiluminescent Microparticle Immunoassay
Price: Contact Medialb
Turnaround time (TAT): 10 – 15 days
Usage: PSA exists in serum in complexed and unbound form (free PSA). Higher total PSA levels with lower percentage of free PSA are associated with high risk of Prostate cancer.
Disease: Prostate Cancer
Home Collection: Available
Pre-test Information: Do not give sample within 7 days of Digital Rectal Examination (DRE) or Rectal Prostatic Ultrasonography.