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Prostate-Specific Antigen (PSA), Diagnostic
MessageDraw sites requiring courier transport please separate and send serum frozen. If ordered with other testing, please submit 2 tubes to lab.
Test Code
PSA Diag. - NCMC
CPT Codes
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 from Serum Gel or Red Top
Instructions
- If there is a delay in transport of >8 hours, send specimen frozen in plastic vial.
- The diagnostic PSA test is to be ordered when the patient has signs or symptoms of disease. Include all the relevant narrative diagnosis for medical necessity requirements.
Transport Temperature
| Transport Stability | ||
| Plasma or Serum – Separated | Frozen | 7 days |
Specimen Stability
| Specimen Type | Temperature | Time |
| Plasma or Serum - Separated | Frozen | 7 days – Preferred for specimen requiring courier transport |
| Plasma Li Hep | Refrigerated | 8 hours |
| Serum SST | Refrigerated | 8 hours |
| Red Top – Separated | Refrigerated | 8 hours |
*Centrifuge and aliquot into a plastic vial.
Methodology
Chemiluminescence Technology
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
0.000-4.000 ng/mL
Performing Laboratory
North Colorado Medical Center Laboratory
