The complement system is critical to inflammatory responses. C5-C9 are components of the common pathway. Patients with congenital deficiency of any of these components are at increased risk of meningococcal meningitis.
No special preparation is needed for Complement C5. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing Complement C5. Your doctor depending on your condition will give specific instructions.
| Gender | Age groups | Value |
| UNISEX | All age groups | 29-53U/ml |