Margo J Reeder, Aman Nihal, Srikanth R Aravamuthan, Erin M Warshaw, Joel G DeKoven, Amber R Atwater, Marie-Claude Houle, Brandon L Adler, Jonathan I Silverberg, James S Taylor, Melanie D Pratt, Donald V Belsito, Jiade Yu, Nina B Botto, Chris M Mowad, Cory A Dunnick, Vincent A DeLeo
<u> Background: </u> Doubtful patch test reactions generally do not meet criterion for positivity in patch testing. However, the North American Contact Dermatitis Group (NACDG) allows for doubtful reactions to be coded with a final determination of "allergic/positive" based on the temporal pattern, appearance, known characteristics of the allergen, and/or other supportive patch test reactions. <u> Objectives: </u> To analyze NACDG data from the 2019-2020 patch test cycle to identify patterns in the interpretation and relevance of doubtful reactions...
February 6, 2024: Dermatitis