Eosinophiluria is the abnormal presence of eosinophils in the urine. It can be measured by detecting levels of eosinophil cationic protein. Associated conditions It can be associated with a wide variety of conditions, including: Kidney disorders such as acute interstitial nephritis and acute kidney injury from cholesterol embolism Urinary tract infection Eosinophilic granulomatosis with polyangiitis Eosinophiluria (>5% of urine leukocytes ) is a common finding (~90%) in antibiotic induced allergic nephritis, however lymphocytes predominate in allergic interstitial nephritis induced by NSAIDs. Eosinophiluria is a feature of atheroembolic ARF. In PAN, microscopic polyangitis, eosinophiluria is rare. References External links Clinical correlates of eosinophiluria Abnormal clinical and laboratory findings for urine