Diagnostic Procedure
patch test
patch test
Subclass of:
Hypersensitivity skin testing
Definitions related to patch tests:
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A test used to diagnose whether a rash was caused by a reaction to certain allergens, such as poison ivy or a cosmetic ingredient, or an irritant such as soap.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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Skin tests in which the sensitizer is applied to a patch of cotton cloth or gauze held in place for approximately 48-72 hours. It is used for the elicitation of a contact hypersensitivity reaction.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Patch test, controlled application of biological or chemical substances to the skin in order to detect if the subject has an allergic hypersensitivity to one of them. The test was originally developed to test new chemical compounds for their allergic potential on animals but has since become...Encyclopedia Britannica, Inc., 2020
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