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Labcorp Oklahoma, Inc.
Test Directory


Immune Complex, C3 Fragments

Order Name C3 Fragments
Test Number: 6907547
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Immune Complex, C3 Fragments
Enzyme Immunoassay 10864-7 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.1 mL) Plasma EDTA (Lavender Top) Frozen
Alternate 1 1 mL (0.1 mL) Serum Clot Activator SST Frozen
Instructions Specimen Type: Red-top tube or gel-barrier tube; lavender-top (EDTA) tube is also acceptable.
Specimen Storage: FREEZE at -70(degrees)C or store on dry ice within six hours of collection. Specimen is stable for 14 days if stored at -70(degrees)C. Storage of specimens at -20(degrees)C will yield erroneous results.
Specimen Collection: Transfer specimen to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.
Specimen Stability: Ambient: Not Available, Refrigerated : Not Available, Frozen: Not Available
Expected TAT 4 - 8 days  
Clinical Use Labcorp Test Code: 123014 
CPT Code(s) 86332
Lab Section Reference Lab