Procalcitonin : 16265

Test Code
PROCAQ or 16265

Alias/See Also

CPT Codes

Serum separator tube or plain red. Also acceptable: lavender (EDTA) or green (sodium or lithium heparin).

Transport Container
Allow plain red to fully coagulate at room temperature. Centrifuge serum separator tube, plain red, lavender, or green tube within 1 hour of collection and aliquot  2 mL (Min: 0.5 mL) serum or plasma into a standard transport tube and freeze.

Transport Temperature

Specimen Stability
Ambient: Unacceptable; Refrigerated: 5 days; Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature..

Immunofluorescence Assay

Setup Schedule
Sunday - Friday

Report Available
1-2 days (From receipt at performing laboratory)

Reference Range
Ages in hours:     PCT (ng/mL)
At birth                      < 2.00
18-20 hours              <20.00
48 hours                     <5.00
>48 hours                   <0.10

Clinical Significance
Used in the diagnosis of bacteremia and septicemia in adults and children (including neonates), renal involvement in urinary tract infection in children, bacterial infection in neutropenic patients, and in the diagnosis, risk stratification, and monitoring of septic shock, systemic secondary infection post-surgery, as well as in severe trauma, burns, and multiorgan failure. Differential diagnosis of bacterial versus viral meningitis. Differential diagnosis of community-acquired bacterial versus viral pneumonia. Monitoring of therapeutic response to antibacterial therapy.

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.