Test Name: Procalcitonin
Health Link Test Code: HCPRCTON
LIS Test Code: PRCTON
CPT Code(s): 84145
Methodology: Indirect Immunofluorescent Assay
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: 1 hour.
Collection Container: Green cap with yellow ring (PST)
Also Acceptable: Green top, Red cap with yellow ring (SST), Red top
Collection Volume: 1.5 mL
Pediatric Collection Volume: 1 mL
48 hours separated off cells
6 months separated off cells
Sample Analyzed: Plasma or serum
Testing Volume: 0.5 mL
Pediatric Testing Volume: 0.25 mL
Centrifuge. If a complete barrier has not been formed, transfer cell-free plasma or serum to plastic vial. Refrigerate.
Transport entire specimen to UWHC Hospital Laboratory. Transport with coolant pack if coming from clinic location.. If time from collection to receipt in the UWHC Hospital Laboratory will exceed 48 hours, freeze sample and ship frozen.
Grossly hemolyzed samples are unacceptable.
Age 0-2 days:
Age 3 days and older:
|≤0.25||Bacterial infection unlikely|
Supportive of bacterial pneumonia or other localized infection.
Supportive of a significant systemic bacterial infection.
Significant bacterial infection likely; patient is at increased risk for bacterial sepsis and/or septic shock.
Interpretation Type: Reference Interval
Repeat testing should only be performed >48 hours from first test.