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Alternative Name
MALT1
Methodology
FISH
Test Description

Probes: MALT1 (18q21)
Disease(s): Marginal zone B-cell lymphoma, NHL

Clinical Significance

Available separately or as part of the NHL FISH Panel.

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: H&E slide (required) plus paraffin block. Circle H&E for tech-only. *** Testing on this specimen type is not yet available for NY specimens.***

  • Cut Slides: H&E slide (required) plus 2 unstained slides cut at 4 microns. Circle H&E 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

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

CPT Code(s)*
88374x1 automated. Codes may differ if manual analysis is performed.
Turnaround Time

4 days for unfixed or FFPE specimens

New York Approved
Yes
Level of Service
Global
Technical

*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.