Fluoroquinolone Antibody, Serum (Mass Concentration) – Immunoassay

What This Test Measures

The test detects specific antibodies (immunoglobulins) your body creates when exposed to fluoroquinolone antibiotics, such as ciprofloxacin or levofloxacin. These antibodies are part of your immune response and can linger long after treatment ends. The method used is an immunoassay, which identifies the presence of these antibodies through a chemical reaction.

Why It Matters in Your Health

Fluoroquinolone exposure may occur through prior treatment, environmental contamination, or occupational hazards. This test can help determine if you’ve had prior exposure, which may be relevant for certain medical conditions, such as drug allergies or infection control protocols.

Common Uses

Doctors may order this test if you’ve had fluoroquinolone antibiotics before, if you’re at risk of exposure (e.g., healthcare workers, travelers), or if you’re being evaluated for potential allergic reactions.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample (usually drawn from your arm) in a serum tube. The test is typically done in a lab and results are reported as either positive or negative for fluoroquinolone antibodies.