NEW YORK (GenomeWeb News) – Quest Diagnostics today said that it has launched a reorganization of the firm that includes the creation of two new business groups and the elimination of approximately 400 to 600 management positions.

The Madison, NJ-based clinical lab firm, which has steadily increased its presence in the molecular diagnostics field, said that it will eliminate its current business structures and replace them with two new business units: Diagnostic Information Services and Diagnostic Solutions. The change will become effective on Jan. 1, 2013.