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Test Code UMION Urine Microscopic Only, LAB2104

Important Note

Lab Only Order

Order is used when specimen is highly colored and macroscopic results are unreliable. 

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

15 mL (minimum volume: 2 mL) from a first-morning urine collection is preferable, but testing can be performed on a random urine collection. Forward promptly. Specimen stability is 1 hour at ambient temperature. If there is a delay in transport of ≤24 hours or if mailing time is ≤24 hours, send specimen refrigerated.  Specimen should have no additive.

Reference Values

WBC: 0-10/HPF

RBC: 0-2/HPF

Squamous epithelial cells: 0-5/LPF

Hyaline casts:  0-2/LPF

Reflex Testing

If original order is for reflex to culture, culture will be initiated if >10 WBC/HPF

Day(s) Test Set Up

Monday through Sunday

Report Available

Within 1 hour of receipt

Useful For

Urinalysis can provide the physician with important information regarding the status of a patient’s health, and can detect metabolic disease and renal disorders. Urinalysis test results are used in at-risk patient groups to assist diagnosis in the following areas:

  • kidney function
  • urinary tract infections
  • carbohydrate metabolism (e.g., diabetes mellitus)

Methodology

Automated Reader/Microscopic Analysis

Test Classification and CPT Coding

81015-Automated, Microscopic