Prostate Specific Antigen, Total with Reflex to Free PSA PSATR
|Method(s)||Chemiluminescent immunoassay based on LOCI technology|
|Collect||One 5 mL gold (SST) top tube.|
1 mL serum at 2-8ºC.
Refrigerated: 24 hours; Frozen: 5 months
|Schedule||Daily, except Sundays|
|CPTCode||84153 PSA Total; if reflexed to PSA Free 84154|
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)|
PSA, Total 0.0-4.0 ng/mL