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Test Name:Procalcitonin
Epic Order Code:LAB5122
CPT Code:84145  
Specimen(s) Type:Serum; 1.0 mL
Acceptable Container(s):Top is red.
Testing Schedule:24/7
Turn Around Time:STAT: NA
 Routine: 2-7 days
Collection Information:No special patient preparation is required. Obtain specimen by standard collection procedures.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen for 10 minutes at 3500 RPM. Remove serum from cells and place into a transport tube. Store and transport at 2-8° C for up to 5 days. If testing is delayed beyond this, the sample must be stored and transported frozen at -20° C and delivered to lab within 1 month.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, excessive hemolysis, lipemia or icterus.
Reference Range:0-0.05 ng/ml
Additional Information:PCT Concentration:Interpretation:Risk or Options:
 PCT < 0.5 ng/mLSystemic infection (sepsis) not likely. Local bacterial infection is possible.Low risk for progression to sepsis. If measured before 6 hours after bacterial challenge, PCT should be repeated 6-24 hours later.
 PCT > 0.5 - < 2 ng/mLSepsis is possible, but other conditions may elevate PCT also.Moderate risk for progression to severe sepsis/septic shock. Monitor clinically and reassess at 6-24 hours.
 PCT > 2 ng/mLSepsis likely unless other causes knownHigh risk for progression to severe sepsis/septic shock.
 PCT > 10 ng/mLImportant systemic inflammatory response, almost exclusively due to severe bacterial sepsis or shock.High likelihood of severe sepsis or septic shock.