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X67.4 ICD-10-CA code: Intentional self-poisoning by carbon monoxide from unspecified sources

X67.4 is the ICD-10-CA code for “Intentional self-poisoning by carbon monoxide from unspecified sources” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

X67.4

Intentional self-poisoning by carbon monoxide from unspecified sources

Short description: Intent self poisn carbn mono unsp source

ICD-10-CA · Canada · Also written X674

Index terms

Entries in CIHI’s alphabetical index that lead to X67.4. Searching the index by the condition the note names is how coders reach this code.

  • Suicide, suicidal (attempted) (by), poisoning, carbon monoxide NEC
  • Suicide, suicidal (attempted) (by), poisoning, gas and vapor, except drugs and biological substances, generated by, carbon monoxide NEC (from)

Notes for X67.4

As CIHI prints them, with any note X67.4 takes from the headings above it.

Includes

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

Note

  • This chapter, which in previous revisions of ICD constituted a supplementary classification, permits the classification of environmental events and circumstances as the cause of injury, poisoning and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used in addition to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter XIX, Injury, poisoning and certain other consequences of external causes (S00-T98). Causes of death should preferably be tabulated according to both Chapter XIX and Chapter XX, but if only one code is tabulated then the code from Chapter XX should be used in preference. Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter XX should be used to provide additional information for multiple-condition analysis only.From Chapter 20: External causes of morbidity and mortality (V01-Y98)

Where X67.4 sits

  1. 1ChapterChapter 20: External causes of morbidity and mortality (V01-Y98)
  2. 2Block X60-X84Intentional self-harm
  3. 3Category X67Intentional self-poisoning by and exposure to carbon monoxide and other gases and vapours
  4. 4Valid code X67.4Intentional self-poisoning by carbon monoxide from unspecified sources

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See X67.4 in the CIHI source

Frequently asked questions

What does ICD-10-CA code X67.4 mean?

X67.4 is the ICD-10-CA code for “Intentional self-poisoning by carbon monoxide from unspecified sources” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is X67.4 in ICD-10-CA?

X67.4 sits under X67 Intentional self-poisoning by and exposure to carbon monoxide and other gases and vapours, within X60-X84 Intentional self-harm, within Chapter 20: External causes of morbidity and mortality (V01-Y98).

What coding notes apply to X67.4?

ICD-10-CA lists Excludes, Includes, Use additional code, Note notes for X67.4, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside X67.4

X67.0Intentional self-poisoning by and exposure to carbon monoxide from combustion engine exhaustX67.1Intentional self-poisoning by and exposure to carbon monoxide from utility gasX67.2Intentional self-poisoning by and exposure to carbon monoxide from other domestic fuelsX67.3Intentional self-poisoning by and exposure to carbon monoxide from other sourcesX67.8Intentional self-poisoning by other specified gases and vapoursX67.9Intentional self-poisoning by unspecified gases and vapours