Test Name: PTEN FISH

Methodology: FISH

Test Description

Disease: Loss of PTEN in prostatic adenocarcinoma is associated with biochemical recurrence, advanced tumor stage, high Gleason grade, and lymph node metastasis.

Probes: CEP10/PTEN/WAPAL/FAS at 10q23.31

Specimen Requirements

A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type or one (1) unbaked, unstained slide cut at 4 microns for H&E staining (required) and two to three (2-3) positively charged unstained slides cut at 3-4 microns for each FISH test ordered.

Storage and Transport

Use cold pack for transport, making sure cold pack is not in direct contact with specimen. 

Specimen Rejection Criteria

Click here to reference the specimen rejection criteria.

Turn Around Time (TAT): 3 - 7 Days

CPT Codes*: 88377

*The CPT codes provided with our Test Descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.