| TPHA test | A highly sensitive and specific test for the serologic diagnosis of syphilis; tanned sheep red blood cells are coated with the antigen of Treponema pallidum and, following absorption of non-specific patient serum antibody, a positive reaction with tanned sheep red blood cells and patient serum indicates the presence of specific antibody for Treponema pallidum in patient serum. Synonym: TPHA test. (05 Mar 2000) |
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