Y12 ICD-10-CA code: Poisoning by and exposure to narcotics and psychodysleptics [hallucinogens], not elsewhere classified, undetermined intent
Y12 is the ICD-10-CA code for “Poisoning by and exposure to narcotics and psychodysleptics [hallucinogens], not elsewhere classified, undetermined intent” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Y12Poisoning by and exposure to narcotics and psychodysleptics [hallucinogens], not elsewhere classified, undetermined intent
Short description: Poisoning narc NEC undetermined intent
ICD-10-CA · Canada
Notes for Y12
As CIHI prints them, with any note Y12 takes from the headings above it.
Includes
- Cannabis (derivatives)cocainecodeineheroinlysergide [LSD]mescalinemethadonemorphineopium (alkaloids)
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 Y10-Y34 Event of undetermined intent
Note
- This section covers events where available information is insufficient to enable a medical or legal authority to make a distinction between accident, self-harm and assault. It includes self-inflicted injuries, but not poisoning, when not specified whether accidental or with intent to harm(X40-X49)Follow legal rulings when available.From Y10-Y34 Event of undetermined intent
- 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 Y12 sits
- 1ChapterChapter 20: External causes of morbidity and mortality (V01-Y98)
- 2Block Y10-Y34Event of undetermined intent
- 3Valid code Y12Poisoning by and exposure to narcotics and psychodysleptics [hallucinogens], not elsewhere classified, undetermined intent
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.
Frequently asked questions
What does ICD-10-CA code Y12 mean?
Y12 is the ICD-10-CA code for “Poisoning by and exposure to narcotics and psychodysleptics [hallucinogens], not elsewhere classified, undetermined intent” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Y12 in ICD-10-CA?
Y12 sits under Y10-Y34 Event of undetermined intent, within Chapter 20: External causes of morbidity and mortality (V01-Y98).
What coding notes apply to Y12?
ICD-10-CA lists Includes, Note, Use additional code notes for Y12, 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 Y12
View Y10-Y34Y10Poisoning by and exposure to nonopioid analgesics, antipyretics and antirheumatics, undetermined intentY11Poisoning by and exposure to antiepileptic, sedative-hypnotic, antiparkinsonism and psychotropic drugs, not elsewhere classified, undetermined intentY13Poisoning by and exposure to other drugs acting on the autonomic nervous system, undetermined intentY14Poisoning by and exposure to other and unspecified drugs, medicaments and biological substances, undetermined intentY15Poisoning by and exposure to alcohol, undetermined intentY16Poisoning by and exposure to organic solvents and halogenated hydrocarbons and their vapours, undetermined intentY17Poisoning by and exposure to carbon monoxide and other gases and vapours, undetermined intentY18Poisoning by and exposure to pesticides, undetermined intentY19Poisoning by and exposure to other and unspecified chemicals and noxious substances, undetermined intentY20Hanging, strangulation and suffocation, undetermined intentY21Drowning and submersion, undetermined intentY22Handgun discharge, undetermined intentY23Rifle, shotgun and larger firearm discharge, undetermined intentY24Other and unspecified firearm discharge, undetermined intentY25Contact with explosive material, undetermined intentY26Exposure to smoke, fire and flames, undetermined intentY27Contact with steam, hot vapours and hot objects, undetermined intentY28Contact with sharp object, undetermined intentY29Contact with blunt object, undetermined intentY30Falling, jumping or pushed from a high place, undetermined intentY31Falling, lying or running before or into moving object, undetermined intentY32Crashing of motor vehicle, undetermined intentY33Other specified events, undetermined intentY34Unspecified event, undetermined intent