Complement, total classical pathway (THC)
Category | Immunology |
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Test background |
The CH50 assay measures the ability of serum complement components to form membrane attack complex, which can be detected by ELISA. |
Clinical Indications |
Suspected complement deficiency |
Reference range | 50-125 % of normal |
Sample & container required | RST (rust top) Separate and freeze immediately Transport frozen |
Sample volume | 5-10 mL (1 mL serum) |
Turnaround time | 21 days |