A<unk>  is a diagnostic method used to determine which specific substances cause allergic inflammation of a patient's skin.<unk> ing helps identify which substances may be causing a delayed-type allergic reaction in a patient and may identify allergens not identified by blood<unk> ing or skin prick<unk> ing. It is intended to produce a local allergic reaction on a small area of the patient's back, where the diluted chemicals were planted. The chemicals included in the<unk>  kit are the offenders in approximately 85–90 percent of contact allergic eczema and include chemicals present in metals (e.g., nickel), rubber, leather, formaldehyde, lanolin, fragrance, toiletries, hair dyes, medicine, pharmaceutical items, food, drink, preservative, and other additives.
Patch test
Chemosensitivity assay
Allergy test
Skin allergy test
Radioallergosorbent test
Photostress test
Mouse ear swelling test
Interferon gamma release assay