decisionhealth Newsletters, Coder Pink Sheets - 2010 Issue 5 (May)
Understanding E/M: '3-year rule' only applies to office E/M visits
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Article Overview
This article reviews how the Medicare three-year rule affects new versus established patient evaluation and management coding in different settings, with emphasis on office/outpatient visits, inpatient hospital care, observation services, and emergency department services. It is intended for coders, billers, and clinicians who need to distinguish where the rule applies and where it does not, and it references CMS guidance materials relevant to E/M classification.
Why This Topic Matters
Correctly identifying new versus established patient status is important for accurate E/M reporting across care settings. The article helps readers understand where Medicare uses the three-year rule and where separate visit rules govern E/M selection.
Article Sections
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Three-year rule and office/outpatient E/M visits
Introduces the three-year rule as it relates to office and outpatient E/M coding. The section frames the distinction between new and established patient status in the office setting.
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Hospital and observation settings
Explains how the rule is treated in inpatient and observation contexts and contrasts those settings with office/outpatient E/M use. It also references CMS guidance and the impact of provider role on visit classification.
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Quick check: New vs. established patient rule
Provides a brief summary comparison of service settings and whether the three-year rule applies. This section is presented as a quick reference to the article’s broader E/M guidance.
What You Will Learn
- How the Medicare three-year rule relates to new versus established patient E/M classification
- Which care settings are discussed in connection with office/outpatient, inpatient, observation, and emergency department E/M visits
- Why provider role and setting affect the application of the rule
- How CMS guidance is incorporated into the article’s discussion of E/M coding
Who Should Read This
- Medical coders
- Billing professionals
- Compliance staff
- Physicians and other clinicians involved in E/M documentation
Codes Discussed
Code Ranges Discussed
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