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Lab Dept:
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Anatomic Pathology
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Test Name:
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CHROMOSOMES, PLACENTA/TISSUE (ANW)
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General Information
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Lab Order Codes:
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Only orderable from lab: POCC
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Synonyms:
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Placenta; Stillborn tissue
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CPT Codes:
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88262 – Chromosome analysis; count 15-20 cells, 2 karyotypes, with banding
88233 – Tissue culture skin or other solid tissue biopsy
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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 sex of a baby or 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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Abbott Northwestern Cytogenetics (test #428)
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6711
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651-220-6560
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Test Availability:
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Monday - Friday, on-call Saturday and Sunday
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Turnaround Time:
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6 - 15 days
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Special Instructions:
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Aseptically collect tissue as soon as possible after delivery. Placenta should be taken from the fetal surface (include tissue from inside the placenta). Place all specimens collected in a screw-capped, sterile container with sterile saline or RPMI media. Refrigerate specimens after collection. Specimens cannot be frozen. Forward promptly.
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Specimen
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Specimen Type:
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Placenta, stillborn tissue
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Container:
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Sterile screw-capped container
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Collection:
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See above instructions, 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.
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Special Processing:
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N/A
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Sample Rejection:
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Frozen 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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References:
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Abbott Northwestern Cytogenetics Lab
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