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HelpTest ID PSA Prostate-Specific Antigen (PSA) Diagnostic, Serum
Useful For
As an aid in the detection of prostate cancer when used in conjunction with a digital rectal exam in men 50 years and older
As an aid in the prognosis and management of individuals diagnosed with prostate cancer
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumNecessary Information
Include patient's age.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.6 mL serum
Collection Instructions:
1. For serum gel tubes, centrifuge within 2 hours of collection.
2. For red top tubes, centrifuge and aliquot serum into a plastic vial within 2 hours of collection.
Additional Information: Free prostate-specific antigen (PSA) can only be added on within 72 hours of performing total PSA. Specimen must have been shipped frozen.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 180 days |
| Refrigerated | 5 days |
Day(s) Performed
Monday through Saturday
CPT Code Information
84153
Report Available
1 to 3 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.