Chromosome Analysis, Tumor

Cytogenetics Laboratory:Cytogenetics

Test ID/Workstation: KTU KARYO

Specimen Type: Tumor biopsy

Tube Type: Sterile container with tissue culture medium (can be provided by


Collection Volume: Biopsy of viable tissue (minimum 1 mm3)

Cause for rejection: Gross contamination, frozen specimen, formalin fixed tissue Note: chromosomes 13, 18, 21, X and Y can be counted by interphase FISH to reveal aneuploidy and polyploidy.

Storage: Ambient

Availability: Mon-Fri (0700-1600) Sat (0900-1300)

Methodology: Collagenase dissociation of cells, short term cell culture, subsequent harvesting, and chromosome analysis with G-banding

Special Instructions: Include pertinent medical findings on the requisition with suspected diagnosis and/or indication(s) for the testing.


Lab/Phone: 330-543-8483

TAT: 2-4 weeks

Additional Info: Interpretation is provided with report. Follow-up studies recommended as appropriate.

CPT Code: 88239, 88262, 88280, 88291

Synonyms: Karyotype; Tumor Karyotype

Requisition Form
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