Definitie diagnosis is made with the use of intradermal skin tests. 通过皮内试验确定诊断。
A majority of patients demonstrated decreased histamine-releasing activity on repeat autologous serum intradermal testing relative to baseline. 大部分的患者，组织胺的释放活性皆有了降低，这项效果显示于重复性自身血清皮内试验与基线期的比较结果。
