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PSA Total and Free

Important Note

*This is orderable in Cerner as Total and Free PSA

Specimen Requirements

Specimen Type: Blood                                                                                                       

Container/Tube:                                                                                                                 

Preferred:  Light-green top (lithium heparin gel or green-yellow)

Specimen Fill Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Specimen Transport Temperature

Refrigerated

Days Preformed

Daily

Available STAT

Analytical Time:

1 day

Test Codes

Test Classification and CPT Coding

  • CPT:  84153, 84154
  • LOINC: 83113-1
  • EMR Order Code: L7
  • EMR Result code 

Methodology

Electrochemiluminescence assay (ECLIA); Free PSA values determined on patient samples by differing testing procedures cannot be directly compared with one another and could be the cause of erroneous interpretations.; Test results cannot be interpeted as absolute evidence for presence or abscense of malignant disease.