This document provides a detailed comparison of the changes between ISO 13485:2003 and ISO 13485:2016 for quality management systems in the medical device industry. It outlines numerous additions and clarifications to requirements for areas such as documentation, risk management, design and development, purchasing, production, complaints handling, nonconforming products, and data analysis. Organizations must transition to the new 2016 standard and undergo an audit to ensure compliance with the new requirements before March 2019.