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t(9;22) BCR/ABL pin


t(9;22) BCR/ABL

Methodology: FISH

Clinical Significance:
This FISH assay detects the t(9;22), which results in the BCR-ABL fusion gene. The hallmark of chronic myelogenous leukemia (CML) is the presence of the BCR-ABL fusion gene associated with the Philadelphia chromosome (Ph). All cases of CML have a t(9;22) or variant and detection of this genetic abnormality is important in the diagnosis of CML. The BCR/ABL fusion gene resulting from the t(9;22) is the target for the tyrosine kinase inhibitor drug imatinib. Probe type: Dual color dual fusion translocation

Organ: Blood/Bone Marrow

Disease State: Precursor B-Lymphoblastic Lymphoma/Leukemia (B-ALL)

CPT Code(s): 88374. The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Turnaround Time: Within 4-6 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Peripheral blood, Preferred: 3 ml in sodium heparin (green top) / Acceptable: 3 ml in EDTA (purple top) - OR - • Bone marrow aspirate, Preferred: 1-2 ml in sodium heparin (green top) / Acceptable: 1-2 ml in EDTA (purple top) - OR - • Fresh tissue in RPMI - OR - • Formalin-fixed, paraffin-embedded tissue (FFPE)