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PDGFB Rearrangement (22q13)
- FISH
Probe(s): PDGFB (22q13.1)
Disease(s): Dermatofibrosarcoma protuberans (DFSP)
Turnaround time
3-5 Days
Level of Service
- Global
- Technical Only
New York Approved: No
Specimen Requirements
Paraffin Block: Send paraffin block. Also send circled H&E slide for tech-only (required). Cut Slides: H&E slide (required) plus 4 unstained slides cut at 4-5 microns. Circle H&E slide for tech-only. Bone Marrow Aspirate: N/A Peripheral Blood: N/A Fresh, Unfixed Tissue: N/A Fluids: N/A
Storage and Transportation
Use cold pack for transport, making sure cold pack is not in direct contact with specimen.
CPT Code(s)*
88374x1 automated or 88377x1 manual.
*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.
Last Updated: January 22, 2025