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Test Code UEOS Eosinophil Smear, Urine

Important Note

Specimen must arrive at a Bronson Laboratory within 2 hours of collection.

Additional Codes

Epic Order Code: LAB2537
Sunquest Order Code: UEOS

Specimen Required

Container Type:

Urine collection cup
Optimal Collection Volume: 

>20 mLs
Collection Instructions:

Follow appropriate urine collection guidelines.
Processing Instructions: 

If sample received at BLH or BSH Labs, slides must be prepared per procedure before sending to BMH Lab.

Useful For

Approximately 10% of patients with pyuria show a differential leukocyte count in which 6-33% of the leukocytes were eosinophils.

Among the disease states which may cause increased urine eosinophiluria are:

  • Kidney transplantation and rejection
  • Papillary necrosis
  • Interstitial nephritis
  • Allergic conditions of the urinary tract

Method Name

Manual microscopy utilizing Wright's staining

Stability Information

Specimen Type Temperature Time
Urine Refrigerated 2 hours
  Ambient  2 hours

Rejection Due To

  • Frozen specimen
  • Specimen volume <12 mLs
  • Specimen >2 hours old

 

Specimen Minimum Volume

Collecting minimum volumes can result in a need for sample recollection, and/or a delay in results. Minimum volumes are subjective and cannot account for all aspects of specimen and testing needs. Refer to the Specimen Required section for optimal volumes for laboratory specimens. Contact the Bronson Laboratory if complex collection exceptions occur that require more information.

Minimum Volume: 12 mLs
Neonate Volume: 12 mLs

Performing Laboratory

Bronson Laboratory, Urinalysis - Kalamazoo, Battle Creek

Day(s) Performed

Monday through Sunday 0700-1500

Reference Values

 Test ID   Reference Range    Units      
UEOS 0-5 Eosinophils/HPF

LOINC Code Information

25156-1

CPT Code Information

81015

Sample Retention Time

24 hours