Home > Term: positive PPD reaction
positive PPD reaction
A reaction to the purified protein derivative (PPD)- tuberculin skin test that suggests the person tested is infected with M. tuberculosis. The person interpreting the skin-test reaction determines whether it is positive on the basis of the size of the induration and the medical history and risk factors of the person being tested.
- Part of Speech: noun
- Industry/Domain: Health care
- Category: Tuberculosis
- Company: U.S. CDC
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