Specimen Requirements

Title

C3 COMPLEMENT COMPONENT

Specimen Requirement

1 SST/1.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.

Methodology

Stability

Room Temp 72 hours; Refrigerated 7 days

Reference Range

By Report*

Turnaround

3 days Setup Mon-Sat AM

Clinical Use

Quantitation of C3 is used to detect individuals with inborn deficiency of this factor or those with immunologic disease in whom complement is consumed at an increased rate. These diseases include lupus erythematosus, chronic active hepatitis, certain chronic infections, poststreptococcal and membranoproliferative glomerulonephritis, and others.

Test Code

C3S