Test ID SPSA Prostate-Specific Antigen (PSA) Screen, Serum
Useful For
Monitoring patients with a history of prostate cancer as an early indicator of recurrence and response to treatment
Prostate cancer screening
Method Name
Electrochemiluminescent Immunoassay
Reporting Name
Prostate-Specific Ag Screen, SSpecimen Type
SerumOrdering Guidance
Free prostate-specific antigen (PSA) can be added to previously-submitted PSA screen specimen within 12 hours of performing the total PSA. Specimen must have been shipped frozen.
If both free and total PSA are requested, order PSAFT / Prostate-Specific Antigen (PSA), Total and Free, Serum.
Necessary Information
Include patient's age.
Specimen Required
Patient Preparation: For 12 hours before specimen collection, do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Red-top tube must be centrifuged and aliquoted within 2 hours of collection.
2. Serum gel tube must be centrifuged within 2 hours of collection.
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Frozen (preferred) | 180 days | |
Refrigerated | 5 days |
Reference Values
Males:
Age (years) |
PSA upper limit (ng/mL) |
<40 |
≤2.0 |
40-49 |
≤2.5 |
50-59 |
≤3.5 |
60-69 |
≤4.5 |
70-79 |
≤6.5 |
≥80 |
≤7.2 |
Females: Not applicable
Day(s) Performed
Monday through Friday
Performing Laboratory

CPT Code Information
84153
G0103 (if appropriate)
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
SPSA | Prostate-Specific Ag Screen, S | 83112-3 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
SPSA | Prostate-Specific Ag Screen, S | 83112-3 |
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Report Available
1 to 3 daysNY State Approved
YesForms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.