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Regional Medical Lab
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Immune Complex Detection by C1q Binding

Order Name C1Q BINDIN
Test Number: 5500520
Revision Date 05/16/2022
Test Name Methodology LOINC Code
Immune Complex Detection by C1q Binding
Semi-Quantitative Enzyme-Linked Immunosorbent Assay 27831-7 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.3) Serum Clot Activator SST Frozen
Alternate 1 1 mL (0.3) Serum Clot Activator (Red Top, No-Gel) Frozen
Instructions Allow complete clotting of red blood cells (up to 1 hour), then separate serum from cells within 30 minutes and freeze immediately.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions: Non-frozen specimens.
Stability After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)
Testing Schedule Sun, Mon, Thu 
Expected TAT 2-9 Days  
Notes Reference Lab: ARUP
Test Code: 50301
Click Here to view information on the ARUP website.
CPT Code(s) 86332
Lab Section Reference Lab