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Medical Gas Shut-off Valve - Labeling

What is the requirement for labeling medical gas shut-off valves?

Any examples are for illustrative purposes only.
Labeling of medical gas and vacuum shutoff valves is required by NFPA 99 (2012 edition) Health Care Facilities Code, Section

The labeling shall include:
  • the name or chemical symbol for the specific medical gas or vacuum system
  • room or areas served
  • caution to not close or open the valve except in an emergency
Each room served by the piped medical gas and vacuum zone valves is to be identified. Grouping of consecutive rooms served, like "Procedure Rooms 1-6" should be used with caution to ensure that no unserved location is included with the identification. General statements about the area are not acceptable. 

Hidden shut-off valves, such as those above the ceiling, are to be labeled on or near the valve; its hidden location may be identified by a label, icon, etc., or on a utility system map in accordance with EC.02.05.01 EP 17.

Reference EC.02.05.09 EP11
Manual: Critical Access Hospital
Chapter: Environment of Care EC
Last reviewed by Standards Interpretation: October 26, 2021 Represents the most recent date that the FAQ was reviewed (e.g. annual review).
First published date: April 11, 2016 This Standards FAQ was first published on this date.
This page was last updated on May 11, 2023 with update notes of: Review only, FAQ is current Types of changes and an explanation of change type: Editorial changes only: Format changes only. No changes to content. | Review only, FAQ is current: Periodic review completed, no changes to content. | Reflects new or updated requirements: Changes represent new or revised requirements.
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