Answer_Book / Documentation_Guidelines_for_EM_Services / REVIEW_OF_SYSTEMS_(ROS)1

Why This Topic Matters

Accurate history documentation is a core part of E/M compliance and supports appropriate service selection. This article helps readers understand the broad documentation expectations tied to ROS and PFSH across multiple care settings.

Article Sections

1. Review of Systems (ROS)

   Defines ROS and outlines the body systems recognized for this documentation element. It also distinguishes the broad ROS categories used in E/M history documentation.

2. Past, Family and/or Social History (PFSH)

   Describes the three areas included in PFSH and explains how the level of review varies by E/M service category. The section focuses on documentation scope across different encounter types.