FISH for MALT 1 (18q21)




Test Mnemonic

MALT1

CPT Codes

  • 88377 - QTY (1)

Aliases

  • FISH for assessment of Extranodal Marginal Zone B
  • Fluorescence In Situ Hybridization for MALT 1 (18q

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
OneParaffin blockClean container AmbientContaining representative tumor.
SixSlide (s), unstainedClean container Ambient4 um tissue sections on electrostatically charges slides. Samples must not be fixed in Prefer or B5.

Days Performed

Mon - Thu

Turnaround Time

3 - 5 days

Methodology

Name Description
Fluorescent In-Situ Hybridization (FISH) 

Special Info

4 um tissue sections on electrostatically charges slides. Samples must not be fixed in Prefer or B5.

Clinical Info

Used in the diagnosis of extranodal marginal zone B-cell lymphomas.