Addressing medication errors and supporting medication safety has become an important quality initiative. But are hospitals and health systems using the best practices that are available today to order, dispense, and monitor medications for patients. Many are finding that they can achieve a stronger medication safety program through collaboration. This issue looks at how hospitals and health systems are partnering--with other hospitals and health systems locally and nationally, health plans, health care purchasing groups, universities, vendors, and even patients--to reduce the likelihood of medication errors.