Outpatient migraine case studies

Outpatient E/M Case Studies

Accurate CPT code selection for outpatient evaluation and management (E/M) services is essential, especially under the revised 2021 guidelines. This resource offers a side-by-side comparison of real-world case studies involving a patient with chronic migraine—demonstrating how both total time and medical decision making (MDM) inform appropriate code selection. 


Woman with pained look on her face holding her temples

42-Year-Old female with migraines

Total time* for outpatient E/M in 2021

Refer to the following tables for correct code selection when billing based on time for outpatient E/M Services:

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