Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB2920             Geisinger Epic ID: 48115

Specimen type:
Plasma (preferred) or serum
Preferred collection container:
Alternate Collection Container:
3.5 mL gold-top (serum separator) tube
Specimen required:
0.5 mL plasma (preferred) or serum
Special notes:
See Specimen Processing Instructions.
Patient preparation:
Samples should not be taken from patients receiving therapy with high biotin doses (i.e. >5 mg/day) until at least 8 hours following the last biotin administration.

Specimen processing instructions:
Centrifuge 10 minutes at 3000 rpm. Centrifuge within 30 minutes of collection. 
Transport temperature:
Specimen stability:
Room temperature: 24 hours. Refrigerated: 48 hours. Frozen: 3 months. Freeze and thaw only once.
Rejection criteria:
Stability limit exceeded.

Reference interval:
Healthy individuals <0.1 ng/mL
Interpretation guide:
<0.5 ng/mL: Low risk for progression to sepsis. Review patient’s condition for localized infections.
0.5 – 2.0 ng/mL: Intermediate risk for progression to sepsis. Review underlying conditions. Recommend repeat PCT measurement after 6 hours has elapsed.
>2.0 ng/mL: High risk for progression to sepsis unless other causes are known.
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Electrochemiluminescence Immunoassay
Clinical significance:
Procalcitonin is secreted in response to proinflammatory stimulation, particularly bacterial stimulation. PCT can be an important marker enabling specific differentiation between bacterial infection and other causes of inflammatory reactions. It is useful for antibiotic stewardship.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 12/14/2022

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Megan Woodruff
Frequency: Daily
Performed STAT? Yes

Geisinger Wyoming Valley Medical Center

Performing laboratory: ATL+
Technical Lead: Danielle Mostowski    
Frequency: Daily, all shifts    
Performed STAT? Yes

Geisinger Community Medical Center

Performing laboratory: Chemistry
Technical Lead: Ann Mack, Deborah Dempsey  
Frequency: Daily    
Performed STAT? Yes

Geisinger Lewistown Hospital

Performing laboratory: Chemistry
Technical Lead: Jane Kifer  
Frequency: Daily    
Performed STAT? Yes
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