For services on and after January 1, 2021, Current Procedural Terminology (CPT®) will include revised codes for office and other outpatient evaluation and management (E/M) services. Codes for these services will be distinctly different from codes for E/M services provided in other settings. This article provides a preview and an initial step in learning to use the revised codes and coding guidelines that will be implemented for services on and after January 1, 2021.

Typically, for revised codes, it is beneficial to compare the current and revised code descriptors. However, revisions to codes 99202–99205 and 99212–99215 are so significant that the codes approximate new codes.

Code 99201 (level 1 new patient visit) will be deleted in 2021 because it requires the same straightforward MDM required to support code 99202. The 2021 office and other outpatient E/M codes are revised as follows. Code 99XXX (referenced after codes...

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