Northwest LaboratoryPathology is now Avero Diagnostics.


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Dtex, Cervical FISH

Gynecologic Pathology

Test Code


CPT Code


Transport Temperature and Stability

Room temperature or refrigerated 5 weeks

Rejection Criteria

Insufficient cellular material according to Pap result, specimen past stability, expired media, excessive lubricant

Transport Container / Specimen

Gynecological specimen collected in a ThinPrep, Liquid Based Pap Vial, 20ml

Turn Around Time

5 - 7 days


  1. Collect gynecological sample using a broom-type or cytobrush/spatula cervical sampling device.
  2. Twirl or swish device into a ThinPrep vial containing PreservCyt Transport medium. Discard collection device, do not leave in vial.
  3. Cap the specimen vial tightly, label with two patient identifiers.

Test Setup

Monday - Friday (days)


Fluorescent In-Situ Hybridization (FISH)

Download the requisition.