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T40.491 Poisoning by other synthetic narcotics, accidental (unintentional)
BackT40Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]Category10 →T40.0Poisoning by, adverse effect of and underdosing of opiumCategory1 →T40.0XPoisoning by, adverse effect of and underdosing of opiumCategory6 →T40.0X1Poisoning by opium, accidental (unintentional)CategoryT40.0X2Poisoning by opium, intentional self-harmCategoryT40.0X3Poisoning by opium, assaultCategoryT40.0X4Poisoning by opium, undeterminedCategoryT40.0X5Adverse effect of opiumCategoryT40.0X6Underdosing of opiumCategoryT40.1Poisoning by and adverse effect of heroinCategory1 →T40.1XPoisoning by and adverse effect of heroinCategory4 →T40.1X1Poisoning by heroin, accidental (unintentional)CategoryT40.1X2Poisoning by heroin, intentional self-harmCategoryT40.1X3Poisoning by heroin, assaultCategoryT40.1X4Poisoning by heroin, undeterminedCategoryT40.2Poisoning by, adverse effect of and underdosing of other opioidsCategory1 →T40.2XPoisoning by, adverse effect of and underdosing of other opioidsCategory6 →T40.2X1Poisoning by other opioids, accidental (unintentional)CategoryT40.2X2Poisoning by other opioids, intentional self-harmCategoryT40.2X3Poisoning by other opioids, assaultCategoryT40.2X4Poisoning by other opioids, undeterminedCategoryT40.2X5Adverse effect of other opioidsCategoryT40.2X6Underdosing of other opioidsCategoryT40.3Poisoning by, adverse effect of and underdosing of methadoneCategory1 →T40.3XPoisoning by, adverse effect of and underdosing of methadoneCategory6 →T40.3X1Poisoning by methadone, accidental (unintentional)CategoryT40.3X2Poisoning by methadone, intentional self-harmCategoryT40.3X3Poisoning by methadone, assaultCategoryT40.3X4Poisoning by methadone, undeterminedCategoryT40.3X5Adverse effect of methadoneCategoryT40.3X6Underdosing of methadoneCategoryT40.4Poisoning by, adverse effect of and underdosing of other synthetic narcoticsCategory3 →T40.41Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogsCategory6 →T40.411Poisoning by fentanyl or fentanyl analogs, accidental (unintentional)CategoryT40.412Poisoning by fentanyl or fentanyl analogs, intentional self-harmCategoryT40.413Poisoning by fentanyl or fentanyl analogs, assaultCategoryT40.414Poisoning by fentanyl or fentanyl analogs, undeterminedCategoryT40.415Adverse effect of fentanyl or fentanyl analogsCategoryT40.416Underdosing of fentanyl or fentanyl analogsCategoryT40.42Poisoning by, adverse effect of and underdosing of tramadolCategory6 →T40.421Poisoning by tramadol, accidental (unintentional)CategoryT40.422Poisoning by tramadol, intentional self-harmCategoryT40.423Poisoning by tramadol, assaultCategoryT40.424Poisoning by tramadol, undeterminedCategoryT40.425Adverse effect of tramadolCategoryT40.426Underdosing of tramadolCategoryT40.49Poisoning by, adverse effect of and underdosing of other synthetic narcoticsCategory6 →T40.491Poisoning by other synthetic narcotics, accidental (unintentional)CategoryT40.492Poisoning by other synthetic narcotics, intentional self-harmCategoryT40.493Poisoning by other synthetic narcotics, assaultCategoryT40.494Poisoning by other synthetic narcotics, undeterminedCategoryT40.495Adverse effect of other synthetic narcoticsCategoryT40.496Underdosing of other synthetic narcoticsCategoryT40.5Poisoning by, adverse effect of and underdosing of cocaineCategory1 →T40.5XPoisoning by, adverse effect of and underdosing of cocaineCategory6 →T40.5X1Poisoning by cocaine, accidental (unintentional)CategoryT40.5X2Poisoning by cocaine, intentional self-harmCategoryT40.5X3Poisoning by cocaine, assaultCategoryT40.5X4Poisoning by cocaine, undeterminedCategoryT40.5X5Adverse effect of cocaineCategoryT40.5X6Underdosing of cocaineCategoryT40.6Poisoning by, adverse effect of and underdosing of other and unspecified narcoticsCategory2 →T40.60Poisoning by, adverse effect of and underdosing of unspecified narcoticsCategory6 →T40.601Poisoning by unspecified narcotics, accidental (unintentional)CategoryT40.602Poisoning by unspecified narcotics, intentional self-harmCategoryT40.603Poisoning by unspecified narcotics, assaultCategoryT40.604Poisoning by unspecified narcotics, undeterminedCategoryT40.605Adverse effect of unspecified narcoticsCategoryT40.606Underdosing of unspecified narcoticsCategoryT40.69Poisoning by, adverse effect of and underdosing of other narcoticsCategory6 →T40.691Poisoning by other narcotics, accidental (unintentional)CategoryT40.692Poisoning by other narcotics, intentional self-harmCategoryT40.693Poisoning by other narcotics, assaultCategoryT40.694Poisoning by other narcotics, undeterminedCategoryT40.695Adverse effect of other narcoticsCategoryT40.696Underdosing of other narcoticsCategoryT40.7Poisoning by, adverse effect of and underdosing of cannabis (derivatives)Category2 →T40.71Poisoning by, adverse effect of and underdosing of cannabis (derivatives)Category6 →T40.711Poisoning by cannabis, accidental (unintentional)CategoryT40.712Poisoning by cannabis, intentional self-harmCategoryT40.713Poisoning by cannabis, assaultCategoryT40.714Poisoning by cannabis, undeterminedCategoryT40.715Adverse effect of cannabisCategoryT40.716Underdosing of cannabisCategoryT40.72Poisoning by, adverse effect of and underdosing of synthetic cannabinoidsCategory6 →T40.721Poisoning by synthetic cannabinoids, accidental (unintentional)CategoryT40.722Poisoning by synthetic cannabinoids, intentional self-harmCategoryT40.723Poisoning by synthetic cannabinoids, assaultCategoryT40.724Poisoning by synthetic cannabinoids, undeterminedCategoryT40.725Adverse effect of synthetic cannabinoidsCategoryT40.726Underdosing of synthetic cannabinoidsCategoryT40.8Poisoning by and adverse effect of lysergide [LSD]Category1 →T40.8XPoisoning by and adverse effect of lysergide [LSD]Category4 →T40.8X1Poisoning by lysergide [LSD], accidental (unintentional)CategoryT40.8X2Poisoning by lysergide [LSD], intentional self-harmCategoryT40.8X3Poisoning by lysergide [LSD], assaultCategoryT40.8X4Poisoning by lysergide [LSD], undeterminedCategoryT40.9Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens]Category2 →T40.90Poisoning by, adverse effect of and underdosing of unspecified psychodysleptics [hallucinogens]Category6 →T40.901Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional)CategoryT40.902Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harmCategoryT40.903Poisoning by unspecified psychodysleptics [hallucinogens], assaultCategoryT40.904Poisoning by unspecified psychodysleptics [hallucinogens], undeterminedCategoryT40.905Adverse effect of unspecified psychodysleptics [hallucinogens]CategoryT40.906Underdosing of unspecified psychodysleptics [hallucinogens]CategoryT40.99Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]Category6 →T40.991Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional)CategoryT40.992Poisoning by other psychodysleptics [hallucinogens], intentional self-harmCategoryT40.993Poisoning by other psychodysleptics [hallucinogens], assaultCategoryT40.994Poisoning by other psychodysleptics [hallucinogens], undeterminedCategoryT40.995Adverse effect of other psychodysleptics [hallucinogens]CategoryT40.996Underdosing of other psychodysleptics [hallucinogens]Category
CategoryCODABLE
T40.491
Poisoning by other synthetic narcotics, accidental (unintentional)
EXAMPLES
Poisoning by other synthetic narcotics NOS
- Chapter
- XIX · Injury, poisoning and certain other consequences of external causes
- Section
- T36-T50
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.