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Lab Dept:
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Anatomic Pathology
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Test Name:
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CHROMOSOMES, MALIGNANT TISSUE (FAIRVIEW UNIVERSITY)
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General Information
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Lab Order Codes:
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Only orderable from lab: CHTI
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Synonyms:
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Cytogenetic studies on malignant tissue, culture & analysis
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CPT Codes:
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88264 – Chromosome analysis, analyze 20-25 cells
88280 – Chromosome analysis; additional karyotypes, each study
88239 – Tissue culture for neoplastic disorders; solid tumor
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Test Includes:
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Chromosome analysis
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Logistics
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Test Indications:
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Useful for determining chromosome abnormality.
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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:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6560
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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7 - 21 days
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Special Instructions:
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Request form should include date and time of specimen collection, attending physician, diagnosis (or reason for referral), clinical status, information regarding medication or transfusions, and specimen type. See Collection.
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Specimen
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Specimen Type:
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Neoplastic tissue
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Container:
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Sterile screw-capped container
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Draw Volume:
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1 cubic cm (Minimum: 5 cubic mm) tissue
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Collection:
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Aseptically collect tissue as soon as possible after surgery. Place tissue in a screw-capped, sterile container with sterile saline or RPMI media. Store at room temperature, Do Not refrigerate or freeze. Must arrive within 24 hours of collection.
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Special Processing:
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Lab staff: Specimen must arrive at reference laboratory within 24 hours of collection. Store and ship at ambient temperatures. Contact reference laboratory before shipping.
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Patient Preparation:
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N/A
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Sample Rejection:
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Frozen or refrigerated specimen; specimen received more than 24 hours from collection; mislabeled or unlabeled specimens
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Interpretive
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Reference Range:
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46, XX or 46, XY
No apparent chromosome abnormality. Photograph of the representative karyotype included.
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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 http://labguide.fairview.org/diagnostic.asp January 2012
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