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HelpTest ID PSAU Prostate-Specific Antigen (PSA) Ultrasensitive, Serum
Secondary ID
64061Useful For
As an aid in the detection of prostate cancer when used in conjunction with a digital rectal exam in men aged 50 years and older
To aid in the prognosis and management of individuals diagnosed with prostate cancer
Monitoring disease after radical prostatectomy
This test should not be used for initial prostate cancer screening.
Specimen Type
SerumOrdering Guidance
Free prostate-specific antigen (PSA) can be added on within 72 hours of performing this test. Specimen must have been shipped frozen.
If both free and total PSA results are desired, order PSAFT / Prostate-Specific Antigen (PSA), Total and Free, Serum.
Necessary Information
Include patient's age.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Within 2 hours of collection, centrifuge the specimen.
2. For red-top tubes, aliquot serum into a plastic vial.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 180 days |
| Refrigerated | 14 days | |
| Ambient | 7 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
PSA upper limit
Males:
<40 years: ≤2.0 ng/mL
40-49 years: ≤2.5 ng/mL
50-59 years: ≤3.5 ng/mL
60-69 years: ≤4.5 ng/mL
70-79 years: ≤6.5 ng/mL
≥80 years: ≤7.2 ng/mL
Females: Not applicable
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84153