Northwest LaboratoryPathology is now Avero Diagnostics.


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UroVysion FISH

Urologic Pathology

Test Code


CPT Code


Transport Temperature and Stability

Room temperature or refrigerated 3 days

Rejection Criteria

Less than 5ml of urine, specimen past stability, expired media

Transport Container / Specimen

Urine Cytology/ UroVysion FISH Collection Kit OR ThinPrep UroCyte; voided urine

Turn Around Time

2 - 4 days


  1. Collect 60ml voided urine in the 120ml urine collection cup.
  2. If urine exceeds 60ml, pour off the excess.
  3. Pour the entire contents of the PreservCyt solution (30ml) into the collection cup containing urine. Ratio should be 2:1, urine to PreservCyt solution. If urine volume is less than 60mls, adjust volume of PreservCyt added accordingly.
  4. Tightly secure the cap on the specimen collection cup, label with two patient identifiers.
  5. Invert to mix.

Test Setup

Monday - Friday (days)


Fluorescence in situ Hybridization (FISH)

Download the requisition.