allergen skin test
Medical term for a skin test used to identify allergic reactions to specific allergens.
The allergen skin test confirmed a pollen allergy.
アレルギー検査 is a broader term for allergy testing, while アレルゲン皮膚反応 specifically refers to a skin test for allergens.
Compound of アレルゲン (from German 'Allergen') + 皮膚 (skin) + 反応 (reaction).