What is the primary function of a Master Patient Index (MPI)?

The primary function of a Master Patient Index (MPI) is to serve as an electronic medical database holding patient information. An MPI is a comprehensive database that maintains the core identity information of patients within a healthcare organization. This includes details such as names, dates of birth, addresses, and other identifying data. Its primary purpose is to ensure that patient records are accurately linked to the right individual, thereby facilitating efficient data management and ensuring continuity of care.

By providing a central source of patient identity, an MPI helps prevent duplicate records and enhances the integrity of patient information across various healthcare systems. This is crucial for effective patient care, as it enables healthcare providers to access a complete and accurate medical history for informed decision-making. Unlike the other options, which pertain to specific aspects of patient care or records management, the MPI’s broad role in identifying and linking patient information is essential for the overall functioning of healthcare data systems.