Reader Question: Select 99220 and 99217 for Multiday Observation

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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 question and answer article explains a multiday observation scenario involving an emergency department encounter, observation care, and a later inpatient admission. It is aimed at coders and billing staff who need to understand the broad reporting considerations for observation and inpatient E/M services when care crosses calendar days. The discussion focuses on the timing of care, discharge-related services, and the relationship between observation and inpatient admission code groups.

Why This Topic Matters

Multiday observation encounters can create uncertainty about which E/M service categories apply across days and when discharge-related services are reportable. Understanding the article helps teams recognize the general scope of reporting considerations for observation stays that transition to inpatient status.

Article Sections

  1. Question

    Introduces a multiday observation scenario and asks about reporting considerations for the observation stay and the later inpatient admission.

  2. Answer

    Explains the general reporting considerations for a two-day observation stay, discharge-related services, and the subsequent inpatient admission context.

What You Will Learn

  • How multiday observation stays are discussed in relation to calendar-day reporting
  • What broad types of services are associated with observation discharge
  • How observation care and inpatient admission services are related in this scenario
  • Which general circumstances prompt consideration of observation versus inpatient reporting

Who Should Read This

  • Medical coders
  • Billing staff
  • Revenue cycle professionals
  • Physician documentation staff

Codes Discussed

Code Ranges Discussed


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