Nasal Swab
A nasal swab is a test that checks for viruses and bacteria that cause respiratory infections.
A nasal swab is a test that checks for viruses and bacteria that cause respiratory infections. There are many types of respiratory infections. A nasal swab test can help your health care provider diagnose the type of infection you have and determine which treatment would be best for you. The test may be done by taking a sample of cells from inside your nostrils or from the nasopharynx, the uppermost part of your nose and throat. Other names: anterior nares test, nasal mid-turbinate swab, NMT swab nasopharyngeal culture, nasopharyngeal (NP) swab
Why is this test ordered? You may need this test if you have symptoms of a respiratory infection. They can include: Cough Fever Stuffy or runny nose Sore throat Headache Fatigue Muscle aches
Clinical Interpretation
A negative result means no harmful viruses or bacteria were found in your sample. A positive result means a specific type of harmful virus or bacteria was found in your sample. If you are diagnosed with an infection, follow your provider's recommendations for treating your illness. This may include medicines and steps to prevent spreading the infection. To understand the results of a nasal swab test, your provider may consider your symptoms, medical history, and the results of other tests. Learn more about laboratory tests, reference ranges, and understanding results .
Clinical Protocol & Patient Advice
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You don't need any special preparations for a nasal swab.
Usage Guidance
- Reference ranges vary by laboratory. Always discuss your specific results with a qualified healthcare professional.
Source: MedlinePlus, National Library of Medicine. View the original.