Reader Question: Allergy Injection Reignites 'New Vs. Established' Patient Debate

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Note:  The following article synopsis was NOT provided by AAPC. It was created by Find-A-Code/innoviHealth.

Article Overview

This reader Q&A explains a common coding question about whether prior contact with a patient changes new-versus-established patient status for E/M billing. It is aimed at coders, billers, and practice staff who need to understand the general rules discussed by CPT and CMS, including how group practice, specialty, and the three-year lookback factor into patient classification. The article provides broad guidance on the policy framework rather than a detailed coding tutorial.

Why This Topic Matters

Correctly identifying new versus established patient status affects office and outpatient E/M coding and helps practices apply the same rules consistently across physicians and specialties.

What You Will Learn

  • How CPT distinguishes new and established patients in office and outpatient E/M coding.
  • How the three-year lookback is discussed in relation to patient status.
  • How group practice and physician specialty can affect the classification.
  • How face-to-face professional services are treated in the general rule context.

Who Should Read This

  • Medical coders
  • Medical billers
  • Practice managers
  • Physician office staff
  • Compliance staff

Codes Discussed

Code Ranges Discussed


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