Sub-Telomere Analysis by DNA FISH

Cytogenetics Laboratory:Cytogenetics

Test ID/Workstation: TELOM CYTO

Specimen Type: Blood, Bone Marrow, Lymph Node, Tumor, Amniotic Fluid

Tube Type: Blood, Bone Marrow: Green top (sodium heparin) tube, Lymph Node, Tumor: Sterile tissue culture flask provided by laboratory or sterile container with sterile saline or tissue culture medium

Collection Volume: Amniotic fluid: 20.0 mL (minimum 5.0 mL); Blood: 5.0 mL (minimum 1.0 mL); Bone Marrow: 1.0 mL (minimum 0.5 mL); Tissue: 1.0 mm3

Cause for rejection: Clotted, non-sterile, or frozen

Storage: Ambient

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

Methodology: Following standard chromosome preparation, cells are fixed to slides, hybridized overnight to appropriate DNA probe(s), washed, and counter-stained. 2-5 metaphases are evaluated for each sub-telomeric probe using a fluorescence microscope and images are captured digitally using image analysis software.

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

OC Power Word: -

Lab/Phone: 330-543-8483

TAT: 24 hours-2 weeks

Additional Info: Interpretation is provided with report

CPT Code: 88271x15, 88274, 88291

Synonyms: Telomere Studies; Telomere Analysis

Requisition Form
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