91036      C1Q Binding Assay
Specimen:
  Collect: One 10 mL Red Top  
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Frozen. Submit in a Standard Transport Tube.  
  Special Handling: Avoid Repeated Freeze/Thaw Cycles
Critical Frozen
Let stand on clot for 2 hours 
  Rejection Criteria: Use of separator tubes 
  Stability: Ambient: 2 Hour(s); Refrigerated: Unacceptable; Frozen: 2 Week(s); Incubated: Unacceptable 
Methodology: Enzyme-Linked ImmunoSorbent Assay (ELISA) 
Performed: Monday, Thursday 
Reported: 3-9 Day(s) 
CPT Codes:
86332 - Immune Complex Assay
Interpretive Data:
General Reference Range : 0.0-3.9 ugE/ml

Values less than 4 ugE/mL are considered negative for circulating complement binding immune complexes.
Circulating immune complexes may be found without any evident pathology and positive results do not necessarily implicate the immune complex in a disease process.