Which statement best describes a retrospective drug utilization review (DUR)?

A retrospective drug utilization review (DUR) primarily involves analyzing past claims data to identify patterns of care, which is precisely what the correct answer states. This process allows healthcare professionals to evaluate how medications were used after the fact, examining factors such as dosage, frequency, medication interactions, and adherence to guidelines. By reviewing this historical data, professionals can gain insights into prescribing trends, identify inappropriate use of medications, and develop strategies for improving patient care.

This approach is crucial in enhancing patient safety and ensuring that prescriptions are effective and appropriate. It can also inform future clinical decisions and quality improvement initiatives within healthcare settings. By focusing on past data, retrospective DUR serves as a valuable tool for optimizing medication therapy and reducing the risks associated with medication errors and adverse drug events.