Lab Test

Eosinophils in Urine Sediment

Urine, Eosinophils , Antrim #20118, EPIC: LAB5163, SOFT: UREOS

Specimen Collection Criteria

Collect: 50 mL random urine in a screw-capped container (preferred) or other sterile collection cup. (Min: 10 mL)

Specimens should be delivered to the Laboratory within one hour of collection to prevent leukocyte lysis.

Physician Office/Drawsite Specimen Preparation

Arrange for transportation to the Laboratory prior to specimen collection. Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: 50 mL urine, refrigerated (2-8°C or 36-46°F). (Min: 10 mL)

Rejection Criteria

  • Specimens exceeding recommended time limits (one hour at room temperature, three hours refrigerated).


Urine specimens are stable for 1 hour at room temperature (20o to 26o C) or for 3 hours if kept at 4o C.


Sunday - Saturday, 24 hours a day.
Results available within 8 hours.

Reference Range

None seen.

Test Methodology

Wright-Giemsa Stain, Manual Microsopy.


Increased numbers of eosinophils may be found in urine from patients with tubulointerstitial disease associated with hypersensitivity to drugs such as penicillin and its analogues.

CPT Code


Test Codes

Antrim #20118, EPIC: LAB5163, SOFT: UREOS

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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.