Test Code PROCAL Procalcitonin, Serum
Additional Codes
- Expanse Test Name: Procalcitonin,S
- Medinet Ref Code:PROCAL
- OV Code:CHEM*PROCAL
Performing Laboratory
St. Luke's Hospital Laboratory
Specimen Requirements
Serum and plasma (EDTA, lithium heparin, and sodium heparin) acceptable.
Draw 1 serum SST (yellow top) tube. Spin down and send 1 mL serum to the laboratory refrigerated. Specimens are stable at refrigerated temperature for 48 hours. Samples that will not arrive to the laboratory within 48 hours should be frozen.
Unspun samples must be transported at ambient temperature and arrive to the laboratory within one hour of draw.
Reference Values
Negative: ≤0.15ng/mL
Possible Localized Infection: 0.5-2 ng/mL
Likely Infection: >2 ng/mL
Sepsis: >10ng/mL
Test Classification and CPT Coding
CPT: 84145
LOINC: 33959-8
Useful For
Procalcitonin is intended for use in conjunction with other laboratory findings and clinical assessments to aid in the risk assessment of bacteremia and septicemia in adults and children.
Procalcitonin can also be used to aid in the diagnosis of bacterial infections in neutropenic patients, in differentiating bacterial versus viral meningitis, and in monitoring the therapeutic response to antibacterial therapy.
Day(s) Test Performed
Monday through Sunday
Method Name
Chemiluminesence