E/M Coding Clinic: Correctly Reporting 99283 vs. 99284 Means Understanding the History and Physical

Why This Topic Matters

Correct ED E/M level reporting affects compliance, audit risk, and consistency in how emergency visits are coded. The article helps readers understand why documentation depth alone is not always enough and why overall medical necessity remains important.

Article Sections

1. Overview of Emergency Department E/M Coding

   Introduces emergency department evaluation and management coding and the general factors used to determine service level. It also distinguishes emergency department services from non-ED settings at a broad level.

2. Requirements of History

   Covers the history component of ED E/M reporting and discusses the documentation elements used to support different service levels. The section focuses on broad history categories and how they relate to mid-level visits.

3. Examination Requirements

   Reviews the physical examination component of ED E/M coding and compares documentation expectations across guideline versions. It explains the types of exam documentation considered when selecting a level of service.

4. Medical Decision-Making

   Explains the medical decision-making component used in ED E/M selection, including the general factors that contribute to complexity. It also references commonly used scoring approaches in emergency medicine coding.

5. Level of Risk and Medical Necessity Should Drive Code Choice

   Discusses the role of overall patient severity, risk, and medical necessity in choosing among ED visit levels. The section addresses how documentation and clinical context interact in code selection.

6. Exceptions

   Describes situations where the apparent severity of a complaint may not fully reflect the complexity of the visit. It highlights broader considerations that can affect emergency department code assignment.