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Trisomy 4, 10, and 17 by FISH

TEST DIRECTORY

Test Name

Trisomy 4, 10, and 17 by FISH

Description

Fluorescence in-situ hybridization (FISH) using a DNA probe set to detect trisomy of chromosomes 4, 10, and 17 associated with childhood acute lymphoblastic leukemia.

Test Code

84147

SPECIMEN REQUIREMENTS

Specimen

Bone marrow, neoplastic blood

Specimen Requirements

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.

GENERAL AND TECHNICAL INFORMATION

Turn Around Time

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

Methodology

Fluorescence in-situ hybridization (FISH)

CPT Code

88271x3, 88275x1, 88291