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.
1.0 mL Serum in a SST Gold Top Tube
1.0 mL Serum from a Red Top Tube in a Plastic Vial
1 month Frozen
Avoid Hemolysis
Centrifuge and Separate within 1 hour of collection
Do not Thaw
Do not submit the sample in a glass tube
When ordered with other testing, must be in its own separate tube
0.2 mL
CH50: 31 - 66 U/mL
Detection Limit: 10 U/mL
CH50 values below the reference range may indicate a deficiency in one or more of the components of complement. To obtain more definitive information, abnormal specimens should be assayed for levels of the individual components (C1 to C9).
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.
3 to 6 days
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