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IgH/MALT1 Translocation by FISH

TEST DIRECTORY

Test Name

IgH/MALT1 Translocation by FISH

Alternate Names

t(14;18)

Description

Fluorescence in-situ hybridization (FISH) using a DNA probe set to identify the IgH/MALT1 translocation associated with MALT lymphoma.

Test Code

91937

SPECIMEN REQUIREMENTS

Specimen

Bone marrow, peripheral blood, tumor, effusion

Specimen Requirements

Fresh tissue collected in RPMI, bone marrow or peripheral blood collected in sodium heparin (green topped) tube

Storage Requirements

Store specimens at room temperature (15 to 30°C) until transported, adding a cold (refrigerator) pack during the summer months.

Causes for Rejections

Decalcified tissues are not accepted.

GENERAL AND TECHNICAL INFORMATION

Turn Around Time

Fresh tissue, bone marrow, and blood: 3-10 days

Methodology

Fluorescence in-situ hybridization (FISH)

CPT Code

Fresh tissue: 88271x2, 88275, 88291