Probes: PDGFRA | CHIC2 | FIP1L1 (4q12)
Disease(s): Chronic eosinophilic leukemia, MPN
PDGFRa (4q12)
- FISH
Specimen Requirements
Bone Marrow Aspirate: 1-2mL Sodium Heparin Tube. EDTA tube is acceptable
Peripheral Blood: 2-5mL Sodium Heparin Tube. EDTA tube is acceptable
Fresh, unfixed tissue: Tissue in RPMI
Fluids: Equal parts RPMI to specimen volume.
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.
Note: Please exclude biopsy needles, blades, and other foreign objects from transport tubes. These can compromise specimen viability and yield, and create hazards for employees.
Storage and Transportation
Use cold pack for transport, making sure cold pack is not in direct contact with specimen. NYS clients please provide date and time of Collection.
CPT Code(s)*
88374x1 automated or 88377x1 manual.
Turnaround time
3-5 Days
Level of Service
- Global
- Tech Only
Integrations
Request electronic integrations →
New York Approved: Yes
*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.
Biomarkers
Fluorescence In Situ Hybridization (FISH)
| Rearrangement(s) | |||||
|---|---|---|---|---|---|
| PDGFRA | |||||
Last Updated: January 28, 2026