This downloadable PDF offers a quick reference for new rules for outpatient E/M code medical decision making (MDM), prolonged services and time-based coding elements.
Additionally, this Crosswalk Guide compares E/M MDM, prolonged services and time-based coding elements from previous years to the 2021 guidance.
This resource is part of the 2021 E/M Coding, Billing and Auditing Toolkit.