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Lab Dept:
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Anatomic Pathology
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Test Name:
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BCR-ABL BY PCR, QUALITATIVE
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General Information
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Lab Order Codes:
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BCRL
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Synonyms:
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Philadelphia Chromosome Ph1
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CPT Codes:
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81206 – BCR/ABL1 (t(9;22)), translocation analysis; major breakpoint, qualitative or quantitative
81207 – BCR/ABL1, minor breakpoint, qualitative or quantitative
81208 – BCR/ABL1, other breakpoint, qualitative or quantitative
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Test Includes:
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Detect the presence or absence of BCR/ABL mRNA. If positive, the fusion variant will be reported.
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Logistics
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Test Indications:
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Aids in the diagnostic workup for patients with bcr/abl-positive neoplasms, predominantly CML and ALL. When positive, the test identifies which mRNA fusion variant is present to guide selection of an appropriate monitoring assay. If a quantitative monitoring assay is not available for a rare fusion variant, this assay may be of some value for monitoring, as it is quite sensitive and can provide a positive or negative result.
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Lab Testing Sections:
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Anatomic Pathology – Sendouts
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Referred to:
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Mayo Medical Laboratories (MML Test: BADX/89006)
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Phone Numbers:
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MIN Lab: 612-813-6280
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STP Lab: 651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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Results are reported in 2 - 4 days
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Special Instructions:
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Complete and submit “MayoConnect Additional Test Information Form” with the specimen. Include the following information: patient’s name, referring (ordering) physician, specimen submitted & pertinent clinical history.
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Specimen
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Specimen Type:
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Whole blood or Bone marrow
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Container:
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Lavender top (EDTA) tube
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Draw Volume:
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4 mL (Minimum: 1 mL) blood
3 mL (Minimum: 1 mL) bone marrow
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Processed Volume:
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Same as Draw Volume
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Collection:
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Routine venipuncture; Routine bone marrow collection. Gently invert tube to mix.
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Special Processing:
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Lab Staff: Do Not Centrifuge. Specimen should remain in the original collection container. Label specimen appropriately (blood or bone marrow). Store and ship at room temperature. Forward promptly. Specimen must arrive at Mayo within 72 hours of collection.
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Patient Preparation:
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N/A
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Sample Rejection:
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Mislabeled or unlabeled specimens; specimens other than blood or bone marrow
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Interpretive
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Reference Range:
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Interpretive report. A qualitative result is provided that indicates the presence or absence of BCR/ABL mRNA. When positive, the fusion variant is also reported.
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Critical Values:
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N/A
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Limitations:
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This test is only qualitative and should not be used for routine monitoring. Monitoring of most CML patients should be performed using BCR/ABL, RNA Quant, monitor CML Mayo test #89007. Monitoring of patients known to carry a p190 fusion should be performed using BCR/ABL, p190, Quant Mayo test #83336.
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Methodology:
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Reverse Transcription-Polymerase Chain Reaction (RT-PCR) with Fluorescent-Bead Array Analysis.
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References:
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Mayo Medical Laboratories July 2009
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Updates:
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1/29/2013: CPT 2013 update
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