Definition: A genetic test result indicating a genetic code that is different from the one common to most people at that specific location in the genome, but not currently known to be associated with a specific disease or genetic trait. The variant may have no effect, have a positive effect, or contribute to a genetic disease.
Source: Genetic and Rare Diseases (GARD) Information Center
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Variant of unknown significance
Source: National Coalition of Health Professional Education in Genetics: Variant of Unknown Significance