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Total hemolytic complement, CH50, CH100.

Common Use:
To evaluate immune diseases related to complement activity and follow up on a patient’s response to therapy such as treatment for systemic lupus erythematosus (SLE).

Serum collected in a red-top tube.

Normal Findings:
(Method: Quantitative hemolysis)

Conventional UnitsSI Units (Conventional Units × 1)
25–110 CH50 units/mL25–110 CH50 kilo units/L

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