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Eosinophil count/Urine

Test Code
EOSU


CPT Codes
89190

Preferred Specimen
10 mL of freshly voided, clean catch, midstream urine.  Centrifuge at 2000 rpm for 5 minutes.  Concentrate the urine by spining it and then make a slide out of the sediment.  Dry and stain. 


Methodology
Microscopic

Setup Schedule
Day(s) test setup Monday through Sunday


Reference Range
None Seen


Clinical Significance
Useful for determining drug induced acute interstitial nephritis, eosinophilic cystitis, atheroembolic renal disease and schistosomiasis.  Urinary eosinophilia has been associated with gloverulonephritis, acute prostatitis and acute cystitis as well as rejection of renal allografts.



Last Updated: July 13, 2018


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.