Is T40 a billable ICD-10 code?

No, T40 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

What does ICD-10 code T40 mean?

ICD-10-CM code T40 represents Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

What is the parent category for ICD-10 code T40?

The parent category for T40 is section:T36-T50 (Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)). This hierarchical classification helps organize related diagnoses for more accurate coding.

What conditions should be coded separately from T40?

Code T40 has Type 2 Excludes including: drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-). These conditions are not included in T40 but can be coded together if the patient has both conditions.

T402026

Non-billable

Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

Clinical Notes

FAQ

Related Codes

T40Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

T40.0Poisoning by, adverse effect of and underdosing of opium

T40.0XPoisoning by, adverse effect of and underdosing of opium

T40.0X1Poisoning by opium, accidental (unintentional)

T40.0X2Poisoning by opium, intentional self-harm

T40.0X3Poisoning by opium, assault

T40.0X4Poisoning by opium, undetermined

T40.0X5Adverse effect of opium

T40.0X6Underdosing of opium

T40.1Poisoning by and adverse effect of heroin

T40.1XPoisoning by and adverse effect of heroin

T40.1X1Poisoning by heroin, accidental (unintentional)

T40.1X2Poisoning by heroin, intentional self-harm

T40.1X3Poisoning by heroin, assault

T40.1X4Poisoning by heroin, undetermined

T40.2Poisoning by, adverse effect of and underdosing of other opioids

T40.2XPoisoning by, adverse effect of and underdosing of other opioids

T40.2X1Poisoning by other opioids, accidental (unintentional)

T40.2X2Poisoning by other opioids, intentional self-harm

T40.2X3Poisoning by other opioids, assault

T40.2X4Poisoning by other opioids, undetermined

T40.2X5Adverse effect of other opioids

T40.2X6Underdosing of other opioids

T40.3Poisoning by, adverse effect of and underdosing of methadone

T40.3XPoisoning by, adverse effect of and underdosing of methadone

T40.3X1Poisoning by methadone, accidental (unintentional)

T40.3X2Poisoning by methadone, intentional self-harm

T40.3X3Poisoning by methadone, assault

T40.3X4Poisoning by methadone, undetermined

T40.3X5Adverse effect of methadone

T40.3X6Underdosing of methadone

T40.4Poisoning by, adverse effect of and underdosing of other synthetic narcotics

T40.41Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogs

T40.411Poisoning by fentanyl or fentanyl analogs, accidental (unintentional)

T40.412Poisoning by fentanyl or fentanyl analogs, intentional self-harm

T40.413Poisoning by fentanyl or fentanyl analogs, assault

T40.414Poisoning by fentanyl or fentanyl analogs, undetermined

T40.415Adverse effect of fentanyl or fentanyl analogs

T40.416Underdosing of fentanyl or fentanyl analogs

T40.42Poisoning by, adverse effect of and underdosing of tramadol

T40.421Poisoning by tramadol, accidental (unintentional)

T40.422Poisoning by tramadol, intentional self-harm

T40.423Poisoning by tramadol, assault

T40.424Poisoning by tramadol, undetermined

T40.425Adverse effect of tramadol

T40.426Underdosing of tramadol

T40.49Poisoning by, adverse effect of and underdosing of other synthetic narcotics

T40.491Poisoning by other synthetic narcotics, accidental (unintentional)

T40.492Poisoning by other synthetic narcotics, intentional self-harm

T40.493Poisoning by other synthetic narcotics, assault

T40.494Poisoning by other synthetic narcotics, undetermined

T40.495Adverse effect of other synthetic narcotics

T40.496Underdosing of other synthetic narcotics

T40.5Poisoning by, adverse effect of and underdosing of cocaine

T40.5XPoisoning by, adverse effect of and underdosing of cocaine

T40.5X1Poisoning by cocaine, accidental (unintentional)

T40.5X2Poisoning by cocaine, intentional self-harm

T40.5X3Poisoning by cocaine, assault

T40.5X4Poisoning by cocaine, undetermined

T40.5X5Adverse effect of cocaine

T40.5X6Underdosing of cocaine

T40.6Poisoning by, adverse effect of and underdosing of other and unspecified narcotics

T40.60Poisoning by, adverse effect of and underdosing of unspecified narcotics

T40.601Poisoning by unspecified narcotics, accidental (unintentional)

T40.602Poisoning by unspecified narcotics, intentional self-harm

T40.603Poisoning by unspecified narcotics, assault

T40.604Poisoning by unspecified narcotics, undetermined

T40.605Adverse effect of unspecified narcotics

T40.606Underdosing of unspecified narcotics

T40.69Poisoning by, adverse effect of and underdosing of other narcotics

T40.691Poisoning by other narcotics, accidental (unintentional)

T40.692Poisoning by other narcotics, intentional self-harm

T40.693Poisoning by other narcotics, assault

T40.694Poisoning by other narcotics, undetermined

T40.695Adverse effect of other narcotics

T40.696Underdosing of other narcotics

T40.7Poisoning by, adverse effect of and underdosing of cannabis (derivatives)

T40.71Poisoning by, adverse effect of and underdosing of cannabis (derivatives)

T40.711Poisoning by cannabis, accidental (unintentional)

T40.712Poisoning by cannabis, intentional self-harm

T40.713Poisoning by cannabis, assault

T40.714Poisoning by cannabis, undetermined

T40.715Adverse effect of cannabis

T40.716Underdosing of cannabis

T40.72Poisoning by, adverse effect of and underdosing of synthetic cannabinoids

T40.721Poisoning by synthetic cannabinoids, accidental (unintentional)

T40.722Poisoning by synthetic cannabinoids, intentional self-harm

T40.723Poisoning by synthetic cannabinoids, assault

T40.724Poisoning by synthetic cannabinoids, undetermined

T40.725Adverse effect of synthetic cannabinoids

T40.726Underdosing of synthetic cannabinoids

T40.8Poisoning by and adverse effect of lysergide [LSD]

T40.8XPoisoning by and adverse effect of lysergide [LSD]

T40.8X1Poisoning by lysergide [LSD], accidental (unintentional)

T40.8X2Poisoning by lysergide [LSD], intentional self-harm

T40.8X3Poisoning by lysergide [LSD], assault

T40.8X4Poisoning by lysergide [LSD], undetermined

T40.9Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens]

T40.90Poisoning by, adverse effect of and underdosing of unspecified psychodysleptics [hallucinogens]

T40.901Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional)

T40.902Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm

T40.903Poisoning by unspecified psychodysleptics [hallucinogens], assault

T40.904Poisoning by unspecified psychodysleptics [hallucinogens], undetermined

T40.905Adverse effect of unspecified psychodysleptics [hallucinogens]

T40.906Underdosing of unspecified psychodysleptics [hallucinogens]

T40.99Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]

T40.991Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional)

T40.992Poisoning by other psychodysleptics [hallucinogens], intentional self-harm

T40.993Poisoning by other psychodysleptics [hallucinogens], assault

T40.994Poisoning by other psychodysleptics [hallucinogens], undetermined

T40.995Adverse effect of other psychodysleptics [hallucinogens]

T40.996Underdosing of other psychodysleptics [hallucinogens]

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