Mycoplasma pneumoniae Antibody, Serum (Qualitative or Quantitative Immunoassay)

Why This Test Is Done

Your doctor may order this test if you have symptoms like persistent cough, fever, or chest pain that suggest a bacterial infection, especially if other tests (like a chest X-ray or culture) are inconclusive. It’s often used when *Mycoplasma pneumoniae* is suspected but not confirmed by other methods.

What to Expect Before the Test

No special preparation is needed. A blood sample will be drawn from a vein, usually in your arm. You may feel a slight pinch, but it’s quick and typically done in a clinic or lab.

What the Test Results Mean

Results are qualitative (positive/negative) or quantitative (measuring antibody levels). A positive result means your immune system has detected *Mycoplasma pneumoniae* antibodies, suggesting past or current infection. A negative result means no detectable antibodies were found, but this doesn’t rule out infection if testing was done too early.

Possible Side Effects

The most common side effect is mild bruising, redness, or soreness at the injection site. Rarely, you might experience dizziness or a slight headache. If you experience severe pain or swelling, contact your doctor.