- Serum level of IgE (1,176 U/L) and basophil membrane FcεRI (42′778)- Eosinophilia (0.62 G/L)- Circulating IgG antibodies against BP-180 (45 U/L) and BP-230 (106 U/L)- Normal basophil count. This evidence concerns the gene IGHE and Increased total eosinophil count.