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Test Code C1QIC Immune Complex Detection by C1q Binding

Specimen Required

1 mL serum collected in a red-top tube(no gel)

Specimen Minimum Volume

0.2 mL

Specimen Stability

Room temperature: Unacceptable Refrigerated: 48 hours Frozen -70C: 1 year

Rejection Due To

Received refrigerated • Serum separator tube • Plasma • Grossly lipemic • Gross hemolysis • Grossly Icteric

Method Name

Enzyme Linked Immunosorbent Immunoassay (ELISA)

Collection Container / Tube

Preferred: Red Top Tube
Other Acceptable Container: None

Transport Container

Plastic screw-cap vial

Transport / Storage Conditions

Frozen -70° C

Reference Values

≤25.1 mcg Eq/mL

Day(s) Performed

Set up: Mon, Thurs; Report available: 2-7 days

CPT Codes


Clinical Reference

Assay detects circulating immune complexes, which are capable of activating the classical complement pathway.