UnitedHealth Group Inc (UNH.N) has been sued by three customers who accused the largest U.S. health insurer of charging co-payments for prescription drugs that were higher than their actual cost and pocketing the difference.

The lawsuit, filed Tuesday in federal court in Minnesota by three UnitedHealth customers, seeks to represent a nationwide class that it says could include “tens of thousands” of people insured by UnitedHealth.

The lawsuit said Minnesota-based UnitedHealth and affiliated companies charged customers co-payments for drugs that were significantly higher than prices it negotiated with pharmacies for those drugs…

Read the full article here