The U.S. Supreme Court has ruled that states can regulate pharmacy benefit management (PBM) companies. Judges were unanimous that federal law does not supplant state regulation of PBMs. At least 40 states have laws or regulations governing PBMs.

The U.S. Supreme Court has ruled that states can regulate pharmacy benefit management (PBM) companies. Judges were unanimous that federal law does not supplant state regulation of PBMs. At least 40 states have laws or regulations governing PBMs.