PPD Skin Test
Alternate Names : Purified Protein Derivative Standard, TB Skin Test, Tuberculin Skin Test
DefinitionThe purified protein derivative (PPD) is an antigen used to aid in the diagnosis of tuberculosis infection. An infection with the bacteria that causes tuberculosis frequently leads to a sensitivity to these antigens.
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Definition Why is the Test Performed? How is the Test Performed? How to Prepare for the Test? How will the Test Feel? Normal Values What do Abnormal Results Mean? Special Considerations Risks
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