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AMA User Proxy Model

The AMA User Proxy Model uses base metrics to determine the appropriate licensure for EMRs, patient billing systems and practice management systems.
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Based on extensive market feedback, the AMA confirmed that our long-standing “User” definition works well for many, but not for all, applications where CPT data files are used.

Counting Users for EMR, Patient Billing & Practice Management Vendors

With the goal of addressing some of the cases where counting users was not working well, AMA introduced the User Proxy Model—a method of approximating users using base metrics (e.g., staffed beds) and multipliers based on industry data—to determine the number of users for electronic medical records (EMRs/EHRs), patient billing systems and practice management systems.

The User Proxy Model and its underlying base metrics and multipliers were tested extensively in 2016. Feedback indicates:

  • The User Proxy Model is straightforward to use
  • The User Proxy Model provides a consistent and transparent method to determine appropriate licensure for CPT data files

Based on this feedback, the AMA has designated the User Proxy Model as the standard for determining appropriate licensure for EMRs, patient billing systems and practice management systems.

This change will be effective for distribution of CPT 2018 Data Files which were published in September 2017.  We have developed a Toolkit to help vendors who distribute CPT in these applications to apply the model.

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