| coccidioidin | <chemical> A sterile solution containing the by-products of growth products of coccidioides immitis, injected intracutaneously as a test for coccidioidomycosis. Chemical name: Coccidioidin (12 Dec 1998) |
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| coccidioidin test | An intracutaneous test for determining the presence of infection with the fungus Coccidioides immitis; a reaction of delayed hypersensitivity indicates a positive test and is interpreted as meaning past or present infection with the fungus. (05 Mar 2000) |