Test Code LAB171 Prostate-Specific Antigen (PSA), Total and Free
Additional Codes
SQ : PSATF
COLLECTION
SST (Serum Separator) PREFERRED
Red (No Additive)
Collect blood in a serum separator tube (serum red top tube also acceptable).
Sample Volume Requirement:
Centrifuge and aliquot 1.0 mL of serum into a plastic vial within 3 hours of collection.
Minimum Sample Volume:
0.75 mL of serum (approximately 1.50 mL of whole blood based upon a normal patient hematocrit)
Unacceptable Conditions:
Gross hemolysis, gross icterus
STABILITY
Refrigerated Stability:
72 hours
Frozen Stability:
90 days - Preferred
PERFORMING LAB
Performed:
Monday through Saturday
Analytical Time:
1 to 3 days
Testing Laboratory:
Mayo Medical Laboratories; Rochester, MN
Laboratory Section:
Referral Testing
CPT Code
84153 - PSA, total; 84154 - PSA, free