Happy Thanksgiving! Please be advised that in-transit patient samples will be held by the carrier on Nov. 28 and received by our lab on Nov 29. Kit orders placed Nov. 28-Dec. 1 will be sent on Dec 2. Our genetic counseling services, client services, and billing services will be unavailable Nov. 28-29. Leave us a message at 888-729-1206 or support@genedx.com and we will respond when we return on Dec. 2.

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Why does GeneDx recommend trio testing (testing the patient plus two biological relatives, such as mother and father) for exome and genome sequencing?

The diagnostic rate is highest when a trio is submitted and analyzed, as the inclusion of parental data improves the ability to classify variants. The absence of parental data may lead to higher rates of variants of unknown significance that could otherwise be dismissed based on inheritance patterns.