Prostate Specific Antigen, Free and Total FTPSA

Method(s) Immunochemiluminometric assay using Beckman Access/DXI (Hybritech calibration)
Synonym PSA, Free and Total
Components

Total PSA, Free PSA, % Free PSA

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 1010271
CPTCode 84153 PSA, total; 84154 PSA, free
Notes 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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