Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  


Sunquest Test Code:
C2F      Geisinger Epic Procedure Code: 86161         Geisinger Epic ID: 7292

Specimen type:
Serum (preferred) or plasma.
Preferred collection container:
Alternate Collection Container:
White-top K2 EDTA plasma preparation tube (PPT)
3.5 mL gold-top (serum separator) tube
3 mL lavender-top (K2 EDTA) tube
Specimen required:
1 mL aliquot of serum; minimum 0.1 mL.
Special notes:
Specimen can be drawn in gel barrier tube but must be separted within 1 hour of draw time.

Specimen processing instructions:
Centrifuge and transfer serum or plasma specimens to clean, plastic, screw-capped vial(s). Transport on refrigerant coolant. 
Transport temperature:
Refrigerated (preferred) or frozen.
Specimen stability:
Room Temperature: 28 days. Refrigerated: 28 days. Frozen: 28 days.
Rejection criteria:
Stability limits exceeded.

Reference interval:
1.6-3.5 mg/dL
Interpretation guide:
Low levels of C2 indicate increased catabolism (as in immune complex disease) or decreased synthesis.
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:
Complement Component C2.
Radial Immunodiffusion
Complement C2
Quest test code 68262

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Monday, Wednesday p.m.    
Performed stat? No
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