Evidence for the effectiveness of patch testing and the need for an expanded series that provides experience and evidence-based suggestions for an extended patch testing series are examined in this review. Many of those testing with shorter allergen series are interested in expanding the spectrum of patch testing. The American Contact Dermatitis Society (ACDS) Core Allergen Series Group has arranged a group of suggested allergen groups that can be logically scaled up or down depending on the needs of the patch tester and the community being tested. This is not an “ACDS 80 Standard.” We suggest a core group of allergens similar to the TRUE Test (SmartPractice, Phoenix, Ariz) with subsequent trays providing a greater breadth of coverage in a logical fashion, with more likely allergens being higher in the tray. For more extensive testing, specialty trays (ie, cosmetics, metals, plant, etc) are recommended.
From the ACDS: Core Allergen Series Committee: *Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA; †Department of Dermatology, University of Colorado Denver and the Denver VA Medical Center, Denver, CO; ‡Department of Dermatology, University Hospitals Case Medical Center, Cleveland, OH; §Department of Dermatology, University of Pennsylvania, Philadelphia, PA; ∥Department of Dermatology, University of Minnesota, Minneapolis, MN; and ¶Department of Dermatology, Geisinger Health System, Danville, PA.
Address reprint requests to Peter C. Schalock, MD, Department of Dermatology, Massachusetts General Hospital, BAR622, 55 Fruit St., Boston, MA 02114. E-mail: firstname.lastname@example.org.
The authors have no funding or conflicts of interest to declare.