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P-k test

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P-K test --> Prausnitz-Kustner reaction

A test for the presence of immediate hypersensitivity in humans; test serum from an atopic individual is injected intradermally into a normal subject; the normal subject is challenged 24-48 hours later with the antigen suspected of causing the immediate hypersensitivity reaction in the atopic individual.

Synonym: p-K test.