SEA was best differentiated from HE by BALF IgA binding to Asp f 8, followed by BALF IgA binding to A. f. lys, Asp f 1, Asp f 7, DPPV, Aldo, Amyl, and Hexo or BALF Pan-Ig binding to A. f. Here, CD79A is linked to hereditary elliptocytosis.