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Test Code
IC1Q
Test Name
Immune Complex, C1q Binding Assay
CPT Codes
86332
Expected Turnaround Time
4 - 8 days
Clinical Utility

Monitor immune complex disease (ie, lupus, glomerulonephritis, serum hepatitis, arthritis, vasculitis); monitor progress of some malignancies.
Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red Top, Plain

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect a gold top, serum separator via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 1 mL of serum to a LabCorp PP transpak frozen purple tube.
  3. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Refrigerated

 7 days

Frozen

7 days
Causes for Rejection
  • Hemolysis
  • Avoid repeated thawing and freezing
Methodology
Enzyme Immunoassay
Reference Intervals

 See patient report.
Alternate Names
  • C1q Binding
  • C1q Binding Test
  • C1q Immune Complexes
  • Circulating Immune Complexes
  • Complement C1q Immune Complexes
  • Immune Complex Detection by C1q
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 2 times per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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