Complement, total classical pathway (THC)
The CH50 assay measures the ability of serum complement components to form membrane attack complex, which can be detected by ELISA.
Suspected complement deficiency
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|