Alternative Names: Culture - nasopharyngeal; Swab for respiratory viruses; Swab for Staph carriage

How the test is performed:

You will be asked to cough before the test begins and then tilt your head back. A sterile cotton-tipped swab is gently passed through the nostril and into the nasopharynx, the part of the pharynx that covers the roof of the mouth. The swab is quickly rotated and then removed.

How to prepare for the test:

There is no special preparation necessary.

How the test will feel:

The patient may experience slight discomfort and may gag.

Why the test is performed:

The test identifies microorganisms that cause upper-respiratory tract symptoms. Nasopharyngeal cultures are useful in identifying respiratory viruses, and�bacteria such as Staphylococcus aureus, and Bordetella pertussis, and Neisseria meningitidis. The culture may be used to�help determine which antibiotic therapy is appropriate.

Normal Values:

The presence of organisms commonly found in the nasopharynx is normal.

What abnormal results mean:

The presence of�any�disease-causing virus, bacteria, or fungus means there is an�infection.

What the risks are:

There are no risks.

Special considerations:

Not applicable.