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TISSUE CULTURE AND CHROMOSOME ANALYSIS,
Skin Biopsy
of Solid Tumor (087-0267)
CPT 4 Code: Limited Coverage Test (NCD) and LCD Test Order Mnemonic: Synonyms: Karyotyping, Chromosome Studies, Chromosome Analysis, Cytogenetic Analysis Test Includes: Cell culture and chromosome analysis Applies To: Spontaneous abortions, IUFD, suspected chromosome syndromes, solid tumors Lab: Clinical Cytogenetics Laboratory, Children's Hospital, Room 3.350 Request Form: Cytogenetics Requisition form Collection: 2 mm skin biopsy appropriately obtained, fetal skin or organ tissue, placenta, solid tumor biopsy Storage Instructions: Biopsy material should be delivered as soon as possible. It should not be frozen or exposed to temperature extremes or stored for extended periods of time. Causes for Rejection: Visible microbial contamination, missing or incomplete paperwork, unlabeled tubes, insufficient sample, improper or extended storage of the sample, collection in formalin, frozen sample. Availability: Samples are received 8 AM - 4:30 PM, Monday-Friday, at Clinical Cytogenetics Laboratory, Children's Hospital, Room 3.350. Turnaround Time: 21 days Special Instructions: Deliver sample as soon as possible to cytogenetics lab. Samples collected after hours or on weekends should be refrigerated and delivered the next working day. Specimen: Skin, internal organ, products of conception Volume: 2 mm punch Container: Capped tube containing cytogenetic transport media or sterile saline delivered in leak- and puncture-resistant container. Media tubes can be obtained from the cytogenetics laboratory Reference Ranges: 46, XX or 46, XY Critical Values: How to Order: Fill out stamped Cytogenetic Requistion Form. Contact Laboratory at 409-772-3466 or 409-772-3465. Deliver sample to Children's Hospital, Room 3.350. Reviewed 10/19/07 by J. Northup |
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