Guidance

Carbon monoxide (CO): algorithm to diagnose poisoning

Algorithm for GPs, emergency physicians and other medical professionals in England to diagnose and manage CO poisoning in patients.

• From: UK Health Security Agency
• Published: 1 November 2013
• Last updated: 17 November 2025 — See all updates

Documents

Carbon monoxide (CO): algorithm to diagnose poisoning

Ref: PHE publications gateway number: 2013323

PDF, 201 KB, 2 pages

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Details

This content was originally produced by Public Health England (PHE). This content is now owned and managed by the UK Health Security Agency (UKHSA)

The algorithm for medical professionals includes:

• recommended actions to take following diagnosis
• telephone numbers for services providing further advice and practical assistance

Published 1 November 2013

Last updated 17 November 2025 + show all updates

1. 17 November 2025

   Rebranded as an UKHSA page.

2. 18 December 2015

   Updated leaflet.

3. 1 November 2013

   First published.