A survey conducted by the German Society for Allergology (AeDA) assessed current allergy diagnostic practices in Germany amid challenges such as testing reagent availability and a shortage of trained personnel. Responses from 150 allergologists revealed that skin prick tests (SPT) are performed twice as often as serum-specific IgE tests (21.2 vs. 10.4 tests per week). Nasal allergen provocation tests are conducted in 56% of hospitals and clinics, while 78% of SPTs use an individualized allergen panel. The most common readout method is measuring the longest wheal diameter (68%).

Despite procedural variations between institutions, SPT and serum IgE tests remain core diagnostic tools for immediate-type allergies. A majority (66%) of allergologists expressed interest in automating the SPT process to improve standardization and efficiency. However, inconsistent availability of testing reagents remains a major barrier to maintaining allergy diagnostics in Germany.

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