From:  A rare complication in Schnitzler syndrome: recall urticaria in a patient treated with anakinra—a case report

 Laboratory findings at the time of the reaction.

Test nameResultNormal rangeInterpretation
White blood cells11.86 × 109/L3.6–10.5 × 109/LIncreased
Neutrophils8.68 × 109/L1.5–7.7 × 109/LIncreased
C-reactive protein9.04 mg/L< 5 mg/LIncreased
Erythrocyte sedimentation rate13 mm/h< 6 mm/hIncreased
Creatinine0.65 mg/dL0.50–0.95 mg/dLNormal
Aspartate aminotransferase33 U/L11–34 U/LNormal
Alanine aminotransferase31 U/L< 33 U/LNormal
Immunoglobulin E7.5 kU/L< 100 kU/LNormal