Total Complement (CH50) concentration is an overall measure of the complement system. Decreased concentrations are observed in patients with complement factor deficiencies and disease activity, e.g., systemic lupus erythematosus (SLE) and immune complex disease.
1 RED-TOP tube (minimum: 0.5mL of serum) . Centrifuge RED-TOP tube within 30 minutes after draw. Separate serum and FREEZE immediately. Send specimen frozen in plastic vial.
Serum Separator tubes
With multiple tests, submit a separate specimen for each test.
Spinal, pericardial, pleural, and synovial fluids are NOT acceptable.
Analytical Time: 1 day
Days Set Up: Monday through Saturday
86162 – Complement; T. hemolytic (CH50)