Urine Eosinophils Synonym LAB330 Specimen Collection Requirements Collect Urine in a sterile container Preferred Volume 15 ml Minimum Volume 12 ml Transport Refrigerated at 2-8 degrees Celsius. Rejection Criteria Frozen or preserved urine. Less than 10 ml specimen volume. Stability 2 hours ambient (20-25 degrees Celsius). 24 hours refrigerated (2-8 degrees Celsius). Testing Information Performed 7 days per week. Reported Within 24 hours of receipt. Method Manual microscopy. Referral Lab Good Samaritan Regional Medical Center Reference Values Reference Values No eosinophils seen. CPT Codes 85999 Last Updated: Wednesday, April 4, 2018 09:31:49 AM