Geisinger Medical Laboratories Test Catalog

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


Geisinger Epic Procedure Code: LAB4085             Geisinger Epic ID: 168262

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:
3 mL serum or plasma; minimum 1 mL

Specimen processing instructions:
Allow a minimum clotting time of 30 to 60 minutes with serum separation within 2 hours of collection. Aliquot. 
Transport temperature:
Room temperature
Specimen stability:
Room temperature: 14 days. Refrigerated: 14 days. Frozen: 14 days.

CPT code(s):
80299, 82397
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.
Quest test code LAC38319, Stelara
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: Wednesday morning. Report available: 8-11 days    
Performed STAT? No
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