Eosinophil Disorders Testing Algorithm INDICATIONS FOR TESTING: • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or workup for specific symptoms • Eosinophilia, 500-1,500 cells/µL • Hypereosinophilia, >1,500 cells/µL Workup • Screen for secondary causes of eosinophilia (common causes are asthma, allergy, drug reaction, infection, neoplasms) • Screen also for Strongyloides infection with serologic testing, especially if glucocorticoid treatment may be indicated • For organ-specific signs or symptoms (eg, skin or esophageal), consider tissue biopsy ARUPConsult @ARUPLabs #Eosinophil #Disorders #Algorithm #Differential #diagnosis #hematology #eosinophilia
