Test Code PCT Procalcitonin
Additional Codes
Spectrum Code: SHO3072
Performing Laboratory
Spectrum Laboratory
Specimen Requirements
Container/Tube: Mint top/Lithium Heparin
Specimen Volume: 4.5 mL
Specimen Minimum Volume: 1.0 mL
Collection Instructions: Centrifuge within 2 hours.
Reference Values
≤0.25 ng/mL
Interpretive Comments:
<0.05 ng/mL = Negative
0.05-0.25 ng/mL = Low, bacterial infection is possible but
unlikely.
0.26-0.50 ng/mL ng/mL = Intermediate; bacterial infection is
likely.
> 0.50 ng/mL = High; bacterial infection is very likely.
Day(s) Test Set Up
Daily
Methodology
Enzyme Linked Fluorescent Assay (ELFA)
Test Classification and CPT Coding
84145
Specimen Storage and Stability
Ambient: 8 hours
Refrigerate: 48 hours
Frozen: Aliquot plasma for longer storage
Laboratory Retention: 72 hours