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X88.0 ICD-10-CA code: Assault by carbon monoxide from combustion engine exhaust

X88.0 is the ICD-10-CA code for “Assault by carbon monoxide from combustion engine exhaust” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

X88.0

Assault by carbon monoxide from combustion engine exhaust

Short description: Assault carbn mono combust eng exhst

ICD-10-CA · Canada · Also written X880

Index terms

Entries in CIHI’s alphabetical index that lead to X88.0. Searching the index by the condition the note names is how coders reach this code.

  • Assault (homicidal) (by) (in), poisoning, exhaust gas (from combustion engine)
  • Assault (homicidal) (by) (in), poisoning, gases and vapors, except drugs and biological substances NEC, generated by, carbon monoxide (from), motor pump
  • Assault (homicidal) (by) (in), poisoning, gases and vapors, except drugs and biological substances NEC, generated by, carbon monoxide (from), combustion engine (any type)
  • Assault (homicidal) (by) (in), poisoning, gases and vapors, except drugs and biological substances NEC, generated by, carbon monoxide (from), motor vehicle, not in transit
  • Assault (homicidal) (by) (in), poisoning, gases and vapors, except drugs and biological substances NEC, generated by, carbon monoxide (from), exhaust gas (from combustion engine) (motor)

Notes for X88.0

As CIHI prints them, with any note X88.0 takes from the headings above it.

Includes

  • Exhaust (gas) from:• any type of combustion engine• gas engine• motor pump• motor vehicle, not in transit
  • Homicideinjuries inflicted by another person with intent to injure or kill, by any meansFrom X85-Y09 Assault

Use additional code

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

  • Use additional code from category U98.- to identify place of occurrence.From X85-Y09 Assault

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 X88.0 sits

  1. 1ChapterChapter 20: External causes of morbidity and mortality (V01-Y98)
  2. 2Block X85-Y09Assault
  3. 3Category X88Assault by carbon monoxide and other gases and vapours
  4. 4Valid code X88.0Assault by carbon monoxide from combustion engine exhaust

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 X88.0 in the CIHI source

Frequently asked questions

What does ICD-10-CA code X88.0 mean?

X88.0 is the ICD-10-CA code for “Assault by carbon monoxide from combustion engine exhaust” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is X88.0 in ICD-10-CA?

X88.0 sits under X88 Assault by carbon monoxide and other gases and vapours, within X85-Y09 Assault, within Chapter 20: External causes of morbidity and mortality (V01-Y98).

What coding notes apply to X88.0?

ICD-10-CA lists Includes, Excludes, Use additional code, Note notes for X88.0, 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 X88.0

X88.1Assault by carbon monoxide from utility gasX88.2Assault by carbon monoxide from other domestic fuelsX88.3Assault by carbon monoxide from other sourcesX88.4Assault by carbon monoxide from unspecified sourcesX88.8Assault by other specified gases and vapoursX88.9Assault by unspecified gases and vapours