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- C1q Binding
- C1q Binding Test
- C1q Immune Complexes
- Circulating Immune Complexes
- Complement C1q Immune Complexes
- Immune Complex Detection by C1q
Monitor immune complex disease (ie, lupus, glomerulonephritis, serum hepatitis, arthritis, vasculitis); monitor progress of some malignancies
Enzyme immunoassay (EIA)
• Negative: <4.4 μg Eq/mL
• Equivocal: 4.4−10.7 μg Eq/mL
• Positive: >10.7 μg Eq/mL
Circulating immune complexes can be demonstrated in rheumatic, infectious, and neoplastic diseases, as well as most immunologically mediated illnesses (inflammatory bowel disease, thrombotic thrombocytopenic purpura). The 1981 WHO/IUIS survey of laboratory tests in clinical immunology concluded that the detection of circulating immune complexes is not essential to any specific diagnosis.
Separate serum from cells. 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.
Causes for Rejection
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|096933||Immune Complexes, C1q Binding||27831-7||096933||Immune Complexes, C1q Binding||ug Eq/mL||27831-7|