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HelpEpic Test Code LAB21022 Eosinophils: Urine
Performing Location(s)
BMC
Specimen Type
Random Urine
Preferred Container
Random Urine Tube
Alternate Container
Urine collection cup
Minumum Volume to Submit for Testing
12 mL Urine
- Multiple test can be performed from this volume. For question please contact the lab at 547-3975.
Storage Requirements
Refrigerate the specimen with in 1 hour. Stable for 3 hrs refrigerated.
DO NOT USE CHEMICAL PRESERVATIVE
Transportation Needs
Deliver specimen to the laboratory within 1 hour of collection. If not possible see “storage requirements”
Causes for Rejection
Mislabeled or unlabled specimen
Less than 10 mL urine
Urine > 3 hours old refrigerated (2-8° C)
Urine > 1 hour at room temperature
Limitations
Eosinophils deteriorate quickly and old specimens may yield false negative results
Reference Values
| Population | Units | Reference Range |
| All Populations | none | No eosinophils seen |
Days of Analysis
All
Available STAT
Yes
Includes
Microscopic examination of a concentrated, stained preparation of the urine specimen
Additional Information
Interpretive Guidelines:
The detection of eosinophils in urine has been associated with drug-induced acute interstitial nephritis (AIN), chronic pyelonephritis, chronic renal failure, IgA nephropathy, renal allograph rejection and urinary tract infection
Patient Preparation:
Suggest early morning first voided urine for maximum concentration of urine analytes and formed elements
Methodology
A concentrated sample of urinary sediment is stained with Wright’s Stain examined for the presence of eosinophils
CPT Code
87205
Last Updated
16-Apr-18