Underuse, Overuse, Misuse
activities resulting in quality problems. “Underuse” refers to the failure to provide a health care service when it would have produced a favorable outcome for a patient. “Overuse” refers to providing a process of care in Circumstances where the potential for harm exceeds the potential for benefit. “Misuse” occurs when an appropriate process of care has been selected but a preventable complication occurs and the patient does not receive the full potential benefit of the service.