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Lab Dept:
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Anatomic Pathology
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Test Name:
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DIGEORGE SYNDROME FISH, BLOOD (FAIRVIEW)
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General Information
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Lab Order Codes:
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FIS22 – By special request only
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Synonyms:
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Flourescent in Situ Hybridization Locus Probe for DiGeorge Syndrome
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CPT Codes:
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88271 – Molecular cytogenetics; DNA probe, each
88273 – Molecular cytogenetics; chromosomal in situ hybridization, analyze 10-30 cells
Note: CPT’s performed may vary based on findings
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Test Includes:
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FISH locus probes specific to DiGeorge Syndrome.
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Logistics
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Test Indications:
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Based on clinical findings. Typically a consult with the Fairview Cytogenetics lab is required before ordering.
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Lab Testing Sections:
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Anatomic Pathology - Sendouts
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Referred to:
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Fairview-University Diagnostic Laboratory – Cytogenetics
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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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7 - 28 days, testing performed daily
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Special Instructions:
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Request form must include date and time of specimen collection, attending physician, diagnosis (or reason for referral), clinical status, information regarding medication or transfusions, and specimen type.
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Specimen
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Specimen Type:
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Whole blood
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Container:
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Green top (Na heparin, no gel) tube
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Draw Volume:
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10 mL (Minimum 5 mL) blood
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Processed Volume:
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Submit unprocessed whole blood in original Vacutainers®. Specimen will be processed at reference lab facility.
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Collection:
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Routine venipuncture
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Special Processing:
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Store and ship at room temperature. Do Not refrigerate or freeze.
Contact Laboratory before shipping. Must arrive within 24 hours.
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Patient Preparation:
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None
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Sample Rejection:
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Frozen or refrigerated specimen; mislabeled or unlabeled specimens; specimens older than 24 hours
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Interpretive
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Reference Range:
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Interpretive report
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Critical Values:
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N/A
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Limitations:
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N/A
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Methodology:
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Determined by Laboratory Director based on clinical information.
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References:
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Fairview-University Diagnostic Laboratory Web Page April 2009
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Updates:
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2/5/2013: CPT update
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