C1Q

C1Q


The C1Q blood test evaluates the level of Complement C1Q, a key protein involved in the body’s immune response. Abnormal levels may be associated with autoimmune diseases such as lupus or other immune-related conditions. This test may be recommended if you have symptoms of immune dysfunction, ongoing inflammation, or unexplained health concerns. It helps doctors gain deeper insight into how your immune system is functioning.

Parameters Covered

Complement C1Q

What the Test Measures

This test measures the level of Complement C1Q protein in your blood. C1Q is part of the complement system, which supports your immune system in identifying and clearing infections, immune complexes, and damaged cells.

Turnaround Time for Results


Leicester: Most results are available within 1–2 working days (some tests may take longer)
Outside Leicester: Results are typically available within 2–4 working days (some tests may take longer)
Certain parameters: Some specialised tests may take 2–3 weeks to process.

How Results Are Delivered

Your personalised report will be securely sent to your registered email address.