A pharmacy benefit manager is extending its relationship with a managed care giant.

Partners Rx Management L.L.C., Phoenix, says it has agreed to continue to team up with the WellPoint NextRx unit of WellPoint Inc., Indianapolis, for 3 more years.

Partners Rx and WellPoint NextRx have been working together to serve clients since 2001, Partners Rx says.

Partners Rx is a unit of Diversified Health Care Services Inc., Phoenix.