Enzyme-Linked Immunosorbent Assay (ELISA)
Bullous pemphigoid (BP) BP180 and BP230 enzyme-linked immunosorbent assay are sensitive, objective, and specific tests that should be considered as an initial screening test in the diagnosis of pemphigoid and its variants.
BP180: <9.0 U (negative), > or = 9 U (positive); BP230: <9.0 U (negative), > or = 9 U (positive).
1 - 5 days
Collect specimen in a red top or SST tube. Centrifuge, aliquot into a plastic vial and refrigerate.
Test sent to Mayo Medical Laboratories.