Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

COMPLEMENT COMPONENT C1Q

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB4088         Geisinger Epic ID: 16280

SPECIMEN COLLECTION
Specimen type:
Serum or plasma
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
6 mL pink-top K2 EDTA tube
3 mL lavender-top (K2 EDTA) tube
Specimen required:
1 mL serum or plasma; minimum 0.1 mL

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge within one hour of draw time and aliquot 
Transport temperature:
Refrigerated.
Specimen stability:
Room temperature: 4 days. Refrigerated: 10 days. Frozen: 29 days.
Rejection criteria:
Gross hemolysis • Gross lipemia

TEST DETAILS
CPT code(s):
86160
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.
Methodology:
Radial Immunodiffusion
Synonyms:
Quest code 981
Clinical significance:
The complement system is critical to the inflammatory response. C1q concentrations may be decreased in patients with acquired angioedema, immune complex induced vasculitis, and concurrent low concentrations of C1 inhibitor, carcinoma, or lymphoma.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Daily. Report available: 3-7 days    
Performed STAT? No
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