NEW YORK (GenomeWeb News) – National managed healthcare company WellPoint has revised its medical policy regarding non-invasive fetal aneuploidy screening, suggesting that it will begin covering tests such as Sequenom's MaterniT21 Plus test.

News of the change by WellPoint sent shares of Sequenom up as much as 9 percent today on the Nasdaq with the number of shares traded more than double Sequenom's average daily volume during the past three months.

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