Possibly. It will depend on where that prior sample is within the testing process, what additional testing is desired, and if there is excess DNA available for testing. Call our genetic counseling line at (801) 931-6191, and we can provide instruction on your specific case.
A normal result is the most common type of CMA result, ruling out hundreds of chromosomal deletion and duplication syndromes. To assess for single nucleotide variants (like “spelling errors”) as a cause of a person’s symptoms, a sequencing test, such as whole exome sequencing, can be performed. Find out more about how our reflex testing procedure makes this process simple.
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