ED Coding & Reimbursement Alert - 2021 Issue 9
Prolonged Services: Add One More Step to Your Billing Workflow to Appease CMS
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Article Overview
This article covers prolonged services for office and outpatient evaluation and management visits, focusing on the differences between CPT and Medicare/CMS approaches introduced around the 2021 Physician Fee Schedule. It is aimed at coders, billers, and practice staff who need to understand which guidance applies, how the relevant time-based concepts are framed, and why Medicare billing may differ from claims following CPT conventions. The discussion stays at a high level while addressing the organizations involved, the affected E/M visit types, and the broader billing implications.
Why This Topic Matters
Prolonged service reporting can differ depending on whether a claim follows CPT or Medicare rules, so understanding the distinction helps practices reduce billing errors and administrative rework.
Article Sections
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Background
Introduces the policy context and explains why prolonged service billing became more complicated after the 2021 fee schedule changes.
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Understand How CPT® Views Prolonged Services
Summarizes the CPT framework for prolonged office and outpatient evaluation and management services and how the service is positioned relative to office visit time thresholds.
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Know New CMS-Created Code
Describes the Medicare/CMS framework for prolonged office and outpatient evaluation and management services and highlights the related billing perspective for Medicare claims.
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Take a Breather in These Situations
Reviews broad circumstances where prolonged service reporting applies or does not apply, including the types of office/outpatient E/M services and related same-day reporting considerations.
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Bottom Line: Bill Differently
Concludes with the practical implication that Medicare billing may need to follow a different workflow than claims submitted under CPT-based guidance.
What You Will Learn
- How prolonged service reporting is framed in CPT and Medicare guidance
- Which office and outpatient evaluation and management visits are discussed
- Why time-based coding considerations matter for prolonged services
- What broad workflow differences can affect Medicare billing
- Which organizations and policy updates are central to the discussion
Who Should Read This
- Medical coders
- Medical billers
- Revenue cycle staff
- Practice administrators
- Primary care billing teams
Codes Discussed
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