Prostate Specific Antigen, Total with Reflex to Free PSA PSATR

Method(s) Immunochemiluminometric assay using Beckman Access/DXI (Hybritech calibration)
Specimen Required
Collect One 5 mL gold (SST) top tube.
Transport

1 mL serum at 2-8ºC.

Stability

Refrigerated: 24 hours; Frozen: 5 months

Unacceptable Conditions

Plasma

Schedule Daily
Billing Code 1010279
CPTCode 84153 PSA Total; if reflexed to PSA Free 84154
Notes

If the PSA is greater than 3.9 ng/mL and less than 10.1 ng/mL, a Free PSA will be reflexively added and performed. The free percentage result is derived from a mathematical calculation using the Total and Free PSA results.

Preferred Specimen Collection Device(s)
Reference Interval

PSA, Total 0.0-4.0 ng/mL

% Free PSAProbability of cancer
0-10%
10-15%
15-20%
20-25%
Greater than 25%
56%
28%
20%
16%
8%
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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