The C4 blood test measures complement protein C4 levels, which play a crucial role in the immune system’s response to infections. Abnormal C4 levels can indicate autoimmune disorders or chronic infections. 

The C4 blood test measures complement protein C4 levels, which play a crucial role in the immune system’s response to infections. Abnormal C4 levels can indicate autoimmune disorders or chronic infections. 

Why Take the Test? 

• To diagnose autoimmune diseases like lupus or rheumatoid arthritis. 
• For evaluating chronic infections or inflammation. 
• To monitor complement system function during treatment. 

Key Benefits 

• Helps identify immune system disorders. 
• Guides treatment for autoimmune and chronic inflammatory conditions. 
• Monitors disease progression or response to therapy. 

Prerequisites and Preparation Guidelines 

• No special preparation is required for the C4 complement blood test. 
• Inform your doctor about any current medications. 
• Stay hydrated before the test for easy blood collection. 

Who Can Avail This Test? 

• Patients with symptoms of autoimmune diseases, like joint pain or rash. 
• Individuals with unexplained chronic infections. 
• Those undergoing treatment for inflammatory conditions. 

Report Download 

Your C4 blood test results can be accessed on Pathkind Labs. Log in to your account, go to test history, and click Download Report for your detailed report.