PROCALCITONIN

Components
The same specimen type (serum, plasma) should be used throughout the patient's clinical course.

Specimen Required
Draw blood in a SST. Allow sample to clot 15-20 minutes, centrifuge and separate serum from cells within 2 hours of collection. Send 2.0 mL serum (0.3 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top
Plasma: EDTA or sodium or lithium heparin

Rejection Criteria
Plasma: Citrate

Methodology
Immunofluorescent

Stability
Room Temperature: 24 hours; Refrigerated: 5 days; Frozen: 1 month

Reference Range
<0.10 ng/mL

Performed
Sunday-Saturday

Turnaround Time2-3 days
Test CodePRCAL
CPT-4 Code (s)
84145
LOINC Codes
33959-8

Warde
Medical
Laboratory