Laboratory Services
PSA, Total with Reflex to PSA, Free
Print this pageUpdated Test Information:
| Test Description |
PSA, Total with Reflex to PSA, Free
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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 |
PSAR
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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 |
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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 with reflex to Free PSA |
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| CPT Code(s) |
84153, 84154 if necessary |
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| Reference Range |
Male: Total PSA: 0 - 4 ng/mL
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| Reflex Conditions |
Will reflex to Free PSA if the total PSA is between 4 ng/mL and 10 ng/mL |
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| Performing Lab |
Incyte Diagnostics |
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| LOINC Code(s) |
83112-3 |
