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FAQs

Clinical

  • What is exome sequencing?
  • What is genome sequencing?
  • What are secondary findings?
  • Will exome or genome testing identify variants that are not associated with the reason for testing?
  • Why does GeneDx recommend trio testing (testing the patient plus two biological relatives, such as mother and father) for exome and genome sequencing?
  • Am I able to consult with a GeneDx geneticist or genetic counselor to discuss any pre- or post-ordering questions? 
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Ordering

  • How do I order a GeneDx test and what’s required?
  • Do you accept orders and specimens from outside the United States?
  • How should samples be stored until they are shipped to GeneDx? (Sample stability)
  • How long will it take to receive results?
  • Can I send a different relative if the parent(s) is unavailable for exome or genome sequencing?
  • How can I order and ship kits to patients and their relatives? 
  • I am a provider, but I find it challenging to order genetic testing myself. How can I facilitate testing for my patients?
  • Do you have a telehealth option if I am not ready to order myself?
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Billing

  • Is GeneDx Clinical Laboratory Improvement Amendments (CLIA) certified?
  • Is GeneDx College of American Pathologists (CAP) certified?
  • What is GeneDx’s National Provider Identifier (NPI) number?
  • What is GeneDx’s Tax Identification Number (Tax ID)?
  • What should providers know about GeneDx billing?
  • What is the cost of GeneDx exome or genome sequencing?
  • What should I tell my patients if they have questions about billing? 
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Other/general

  • How do I contact GeneDx with general questions?
  • Where can I get information about GeneDx’s privacy practices, including data sharing?
  • Do you accept specimens transferred from other laboratories and vice versa?
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