Circulating Immune Complexes (CIC)

Category: Otology
Vasculitis & Nephrology
Test Code: 014
Disease: Systemic Lupus Erythematosus (SLE) • Vasculitis/ Thrombosis • Nephrology • Autoimmune Hearing Loss (SNHL)
Methodology: ELISA
Reference Range: Negative: 25
Units: EU/ml
CPT Code: 86332
Schedule / Turnaround Time: Assay performed once weekly. Report availability is within one week from the time of specimen receipt.
Specimen Requirements:

Specimen need not be refrigerated or frozen. Collect 2-3 ml of blood in a red top or serum separator tube. If possible, separate serum from clot and place into white tube provided with Immco Diagnostics’ collection kits. If separation facilities are not available, the blood can be sent in the tube used for collection.

Sample Stability:

Sample is stable at ambient temperature during shipment. If sample is stored prior to shipment, it is stable refrigerated (2-8˚C) up to five days and frozen (-20˚C or lower) up to one year.


Immune complexes are present in patients with various autoimmune and other viral or infectious diseases.