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Laboratory Test Directory

Chromosome Breakage Analysis (DEB/MMC)


Name Method Department Units
Chromosome Breakage, Blood Chromosome breakage analysis
Send Out Genetics

Specimen Requirements

Reasons for Rejection

  • Delayed or improper handling
  • Frozen specimen
  • Wrong collection tube
  • Clotted specimen
  • Centrifuged specimen


Draw blood Monday through Thursday only.  If sample is collected on a Thursday, it must be in the Sendout Lab by 17:00 to ensure prompt delivery to the reference lab.  Sample will be shipped Monday through Thursday at room temperature by FedEx Overnight to arrive Monday through Friday.

CPT Code

  • 88230
  • 88249 (x2)
  • 88245