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Vanderbilt Pathology Laboratory Services

Test Directory



ACUTE LYMPHOBLASTIC LEUKEMIA FISH - BLOOD OR BONE MARROW ()

Department: Cytogenetics
Test Synonym(s): FISH , ALL
Test Components: t(12;21) (TEL-AML1), Chr 11q23 (MLL), t(9;22) (BCR-ABL), t(1;19) (E2A-PBX1);Pediatric ALL: Trisomy 4/Trisomy 10/Trisomy 17, 9p (CDKN2A) deletion
CPT Codes: 88368 x13
Methodology: Fluorescence in situ Hybridization
Tube Type: Dark green top (Sodium Heparin)
Specimen: Bone Marrow
Alternate Specimen: Peripheral blood if blasts are present.
Pediatric Requirements: 2 mL
Volume: 5 - 7 mL
Minimum Volume: 1 mL
Temperature: Room temperature
Stability: <12 hours old
Reasons for Rejection: Clotted, frozen or >48 hours old
Days Performed: Monday - Saturday
Times Performed: M-F: 7 a.m. - 6 p.m.; Saturday: 8 a.m. - 4 p.m.
TAT: 6 - 10 days
Special Instructions: Include patient history, diagnosis and WBC count with % blasts. Probes can be ordered individually.

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