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PSA, Free and Total
MessageIf ordered with other testing, please submit 2 tubes to lab.
Test Code
PSAF. - NCMC
CPT Codes
84154, 84153
Preferred Specimen
In-patient: 1 mL plasma from Green top (Lithium Heparin)
Out-patient: 1 mL serum from SST
Out-patient: 1 mL serum from SST
Minimum Volume
0.5 mL
Other Acceptable Specimens
1 mL Serum Gel or Red Top
Specimen Stability
| Specimen Type | Temperature | Time |
| Plasma or Serum - Separated | Frozen | 6 months |
| Plasma Li Hep | Refrigerated | 5 days |
| Serum SST | Refrigerated | 5 days |
| Red Top – Separated | Refrigerated | 5 days |
*Centrifuge and aliquot into a plastic vial.
Methodology
Chemiluminescence Technology
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
Total PSA - 0.000 - 4.000 ng/mL
Free PSA - <4.00
% Free PSA - >25
Free PSA - <4.00
% Free PSA - >25
Performing Laboratory
North Colorado Medical Center Laboratory
