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What is this test?

The Borrelia burgdorferi C6 Antibody test is a blood test that looks for specific antibodies in your blood that your immune system produces in response to the bacterium Borrelia burgdorferi, which causes Lyme disease. The C6 test is considered a highly specific test for Lyme disease detection.

Why is this test performed?

This test is primarily used to help diagnose Lyme disease, especially in patients who have symptoms suggestive of the infection. Symptoms may include a characteristic 'bull's-eye' rash (erythema migrans), fever, headache, fatigue, and joint or muscle pain. It is often ordered when a patient has been bitten by a tick or has been in areas where Lyme disease is common.

How is the test done?

A healthcare professional will draw a small sample of blood from a vein in your arm using a needle. The blood sample is then sent to a laboratory for analysis. The test measures the presence and level of C6 antibodies in your serum.

What do the results mean?

Results are typically reported as positive or negative. A positive result indicates that antibodies to Borrelia burgdorferi were detected, suggesting a current or past infection. A negative result means no antibodies were detected, which could mean you do not have Lyme disease or that the infection is very early (before antibodies have developed). Your healthcare provider will interpret the results in context with your symptoms and exposure history.

Are there any risks?

The risks associated with this blood test are minimal and include slight pain or bruising at the puncture site, lightheadedness, and in rare cases, infection. These risks are generally minor and resolve quickly.