Test directory: Procalcitonin

Ordering Code6008
Test NameProcalcitonin
Preferred SpecimenPlasma
Preferred ContainerLithium Heparin PST (Green)
Other Specimen/ContainerSerum in Plain (Red), Serum SST (Gold),
Plasma in Lithium Heparin (Dark Green - PP no gel)
Optimum Volume0.5 mL
Handling InstructionsAll specimen types are centrifuged within 2 hours of collection. If no gel separation present in tube, plasma/serum is aliquoted from cells within 2 hours of collection.
Transport RequirementsOahu: Refrigerated
Airline: Frozen
Specimen StabilityAmbient: 24 Hours
Refrigerated: 48 Hours
Frozen: 3 Months
Freeze and thaw only once.
Rejection CriteriaInsufficient quantity, Specimen older than stability limits,
Avail. StatPatients of the testing hospital only
Analytic Time1 Day
MethodologyElectrochemiluminescence binding assay

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info

A PCT...

A PCT concentration of greater than or equal to 0.1 ng/mL most likely indicates a clinically relevant bacterial infection and a PCT value of greater than 0.5 ng/mL most likely indicates that the patient may be at a higher risk for developing severe sepsis or septic shock. Further information can be found in the following document: https://dlslab.com/procalcitonin/