Laboratory Services
PSA, Free and Total
Print this pageUpdated Test Information:
| Test Description |
PSA, Free and Total
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| Synonym(s) |
Free Prostate Specific Antigen, Free PSA, PSA Free/Total Ratio, PSA ratio, PSA Total and Free, PSA Free, Total PSA
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| Test ID |
PSAFT
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| Specimen Type |
Serum
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| Specimen Requirements |
SST
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| Alternate Specimen Type |
Red, Li‑heparin and K3‑EDTA
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| Minimum Sample Volume |
1 mL
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| Pediatric Min. Volume (if applicable) |
500 uL
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| Additional Processing Details |
Separate serum or plasma from cells within 45 minutes of collection. If a red-top of plasma tube is used, transfer separated serum or plasma to a plastic transport tube.
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| Stability |
5 days at 2‑8 °C
3 months at ‑20 °C (± 5 °C) |
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| Methodology |
Electrochemiluminescence Immunoassay “ECLIA”
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| Estimated TAT |
0-2 Days
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| Testing Schedule |
Monday - Saturday
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| Test Includes |
Total PSA, Free PSA, and percent PSA free
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| CPT Code(s) |
84153
84154 |
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| Reference Range |
Male:
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| Performing Lab |
Incyte Diagnostics
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| LOINC Code(s) |
83112-3, 10886-0, 72576-2
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