A small sample of a fingernail or toenail may be taken. It may take up to three weeks to get results for this type of culture.
The sample is sent to a laboratory and checked at different time periods to see if bacteria, virus, or fungus has grown. Further tests can be done to identify the specific germ that is causing your problem. This can help your doctor determine the best treatment.
How to prepare for the test
There is no preparation needed for a culture. For information on how to prepare for a skin or mucosal sample, see:
A normal result means no disease-causing germs are seen in the test sample.
Some germs normally live on the skin. These are not a sign of infection and are considered a normal finding.
Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your doctor about the meaning of your specific test results.
What abnormal results mean
An abnormal result means bacteria, fungus, or virus is present. This may be a sign of infection.
Common skin infections caused by bacteria include:
Review Date:
10/22/2011
Reviewed By:
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
