Diagnostic Cytogenetic, Inc.’s board certified cytogeneticists, medical geneticist, pathologist, and genetic counselor are always available for consultation or discussion of solid tumor indications.
Indication for Testing
• Adjunct to histological diagnosis of solid tumor.
• Indicate prognosis of disease process.
Chromosome Analysis Detects:
• Aneuploidy (monosomy, trisomy)
• Deletions and duplications (>5Mb)
Chromosome Analysis Does Not Detect:
• Deletions or duplications that are too small to be seen by microscope (<5Mb)
G-banded chromosomes from 20 metaphase cells are completely analyzed and at least 3 karyograms are prepared. Additional chromosome analysis and special banding techniques are employed as needed.
Test Turnaround Time* CPT Codes Chromosome Analysis 4-15 days 88239×2, 88261, 88280×2, 88285, 88291 Metaphase FISH 4-15 days 88377 Interphase FISH 24 hours 88377
*All turnaround times are business days from specimen receipt to report issued.
**Some codes may vary or be charged in multiple units, depending on patient-specific testing parameters.
If no cells are available for analysis, only set up fees will be billed.
Submitting a Sample
Solid Tumor Tissue: At least 1 cm3 representative tumor tissue collected under aseptic conditions and transported in sterile tissue culture media or Hank’s balanced salt solution. DCI provides transport media upon request. Keep sample at room temperature.
Do NOT put in water, fixative, formalin or saline.