Home > Term: purified protein derivative (PPD)-tuberculin test
purified protein derivative (PPD)-tuberculin test
A method used to evaluate the likelihood that a person is infected with M. tuberculosis. A small dose of tuberculin (PPD) is injected just beneath the surface of the skin, and the area is examined 48-72 hours after the injection. A reaction is measured according to the size of the induration. The classification of a reaction as positive or negative depends on the patient's medical history and various risk factors (see Mantoux test).
- Part of Speech: noun
- Industry/Domain: Health care
- Category: Tuberculosis
- Company: U.S. CDC
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