Is T41 a billable code?
No. T41 is a header code that groups 108 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T41: Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T41 groups related diagnoses under poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T41
- T41.0X1APoisoning by inhaled anesthetics, accidental (unintentional), initial encounter
- T41.0X1DPoisoning by inhaled anesthetics, accidental (unintentional), subsequent encounter
- T41.0X1SPoisoning by inhaled anesthetics, accidental (unintentional), sequela
- T41.0X2APoisoning by inhaled anesthetics, intentional self-harm, initial encounter
- T41.0X2DPoisoning by inhaled anesthetics, intentional self-harm, subsequent encounter
- T41.0X2SPoisoning by inhaled anesthetics, intentional self-harm, sequela
- T41.0X3APoisoning by inhaled anesthetics, assault, initial encounter
- T41.0X3DPoisoning by inhaled anesthetics, assault, subsequent encounter
- T41.0X3SPoisoning by inhaled anesthetics, assault, sequela
- T41.0X4APoisoning by inhaled anesthetics, undetermined, initial encounter
- T41.0X4DPoisoning by inhaled anesthetics, undetermined, subsequent encounter
- T41.0X4SPoisoning by inhaled anesthetics, undetermined, sequela
- T41.0X5AAdverse effect of inhaled anesthetics, initial encounter
- T41.0X5DAdverse effect of inhaled anesthetics, subsequent encounter
- T41.0X5SAdverse effect of inhaled anesthetics, sequela
- T41.0X6AUnderdosing of inhaled anesthetics, initial encounter
- T41.0X6DUnderdosing of inhaled anesthetics, subsequent encounter
- T41.0X6SUnderdosing of inhaled anesthetics, sequela
- T41.1X1APoisoning by intravenous anesthetics, accidental (unintentional), initial encounter
- T41.1X1DPoisoning by intravenous anesthetics, accidental (unintentional), subsequent encounter
- T41.1X1SPoisoning by intravenous anesthetics, accidental (unintentional), sequela
- T41.1X2APoisoning by intravenous anesthetics, intentional self-harm, initial encounter
- T41.1X2DPoisoning by intravenous anesthetics, intentional self-harm, subsequent encounter
- T41.1X2SPoisoning by intravenous anesthetics, intentional self-harm, sequela
- T41.1X3APoisoning by intravenous anesthetics, assault, initial encounter
- T41.1X3DPoisoning by intravenous anesthetics, assault, subsequent encounter
- T41.1X3SPoisoning by intravenous anesthetics, assault, sequela
- T41.1X4APoisoning by intravenous anesthetics, undetermined, initial encounter
- T41.1X4DPoisoning by intravenous anesthetics, undetermined, subsequent encounter
- T41.1X4SPoisoning by intravenous anesthetics, undetermined, sequela
- T41.1X5AAdverse effect of intravenous anesthetics, initial encounter
- T41.1X5DAdverse effect of intravenous anesthetics, subsequent encounter
- T41.1X5SAdverse effect of intravenous anesthetics, sequela
- T41.1X6AUnderdosing of intravenous anesthetics, initial encounter
- T41.1X6DUnderdosing of intravenous anesthetics, subsequent encounter
- T41.1X6SUnderdosing of intravenous anesthetics, sequela
- T41.201APoisoning by unspecified general anesthetics, accidental (unintentional), initial encounter
- T41.201DPoisoning by unspecified general anesthetics, accidental (unintentional), subsequent encounter
- T41.201SPoisoning by unspecified general anesthetics, accidental (unintentional), sequela
- T41.202APoisoning by unspecified general anesthetics, intentional self-harm, initial encounter
- T41.202DPoisoning by unspecified general anesthetics, intentional self-harm, subsequent encounter
- T41.202SPoisoning by unspecified general anesthetics, intentional self-harm, sequela
- T41.203APoisoning by unspecified general anesthetics, assault, initial encounter
- T41.203DPoisoning by unspecified general anesthetics, assault, subsequent encounter
- T41.203SPoisoning by unspecified general anesthetics, assault, sequela
- T41.204APoisoning by unspecified general anesthetics, undetermined, initial encounter
- T41.204DPoisoning by unspecified general anesthetics, undetermined, subsequent encounter
- T41.204SPoisoning by unspecified general anesthetics, undetermined, sequela
- T41.205AAdverse effect of unspecified general anesthetics, initial encounter
- T41.205DAdverse effect of unspecified general anesthetics, subsequent encounter
- T41.205SAdverse effect of unspecified general anesthetics, sequela
- T41.206AUnderdosing of unspecified general anesthetics, initial encounter
- T41.206DUnderdosing of unspecified general anesthetics, subsequent encounter
- T41.206SUnderdosing of unspecified general anesthetics, sequela
- T41.291APoisoning by other general anesthetics, accidental (unintentional), initial encounter
- T41.291DPoisoning by other general anesthetics, accidental (unintentional), subsequent encounter
- T41.291SPoisoning by other general anesthetics, accidental (unintentional), sequela
- T41.292APoisoning by other general anesthetics, intentional self-harm, initial encounter
- T41.292DPoisoning by other general anesthetics, intentional self-harm, subsequent encounter
- T41.292SPoisoning by other general anesthetics, intentional self-harm, sequela
- T41.293APoisoning by other general anesthetics, assault, initial encounter
- T41.293DPoisoning by other general anesthetics, assault, subsequent encounter
- T41.293SPoisoning by other general anesthetics, assault, sequela
- T41.294APoisoning by other general anesthetics, undetermined, initial encounter
- T41.294DPoisoning by other general anesthetics, undetermined, subsequent encounter
- T41.294SPoisoning by other general anesthetics, undetermined, sequela
- T41.295AAdverse effect of other general anesthetics, initial encounter
- T41.295DAdverse effect of other general anesthetics, subsequent encounter
- T41.295SAdverse effect of other general anesthetics, sequela
- T41.296AUnderdosing of other general anesthetics, initial encounter
- T41.296DUnderdosing of other general anesthetics, subsequent encounter
- T41.296SUnderdosing of other general anesthetics, sequela
- T41.3X1APoisoning by local anesthetics, accidental (unintentional), initial encounter
- T41.3X1DPoisoning by local anesthetics, accidental (unintentional), subsequent encounter
- T41.3X1SPoisoning by local anesthetics, accidental (unintentional), sequela
- T41.3X2APoisoning by local anesthetics, intentional self-harm, initial encounter
- T41.3X2DPoisoning by local anesthetics, intentional self-harm, subsequent encounter
- T41.3X2SPoisoning by local anesthetics, intentional self-harm, sequela
- T41.3X3APoisoning by local anesthetics, assault, initial encounter
- T41.3X3DPoisoning by local anesthetics, assault, subsequent encounter
- T41.3X3SPoisoning by local anesthetics, assault, sequela
- T41.3X4APoisoning by local anesthetics, undetermined, initial encounter
- T41.3X4DPoisoning by local anesthetics, undetermined, subsequent encounter
- T41.3X4SPoisoning by local anesthetics, undetermined, sequela
- T41.3X5AAdverse effect of local anesthetics, initial encounter
- T41.3X5DAdverse effect of local anesthetics, subsequent encounter
- T41.3X5SAdverse effect of local anesthetics, sequela
- T41.3X6AUnderdosing of local anesthetics, initial encounter
- T41.3X6DUnderdosing of local anesthetics, subsequent encounter
- T41.3X6SUnderdosing of local anesthetics, sequela
- T41.5X1APoisoning by therapeutic gases, accidental (unintentional), initial encounter
- T41.5X1DPoisoning by therapeutic gases, accidental (unintentional), subsequent encounter
- T41.5X1SPoisoning by therapeutic gases, accidental (unintentional), sequela
- T41.5X2APoisoning by therapeutic gases, intentional self-harm, initial encounter
- T41.5X2DPoisoning by therapeutic gases, intentional self-harm, subsequent encounter
- T41.5X2SPoisoning by therapeutic gases, intentional self-harm, sequela
- T41.5X3APoisoning by therapeutic gases, assault, initial encounter
- T41.5X3DPoisoning by therapeutic gases, assault, subsequent encounter
- T41.5X3SPoisoning by therapeutic gases, assault, sequela
- T41.5X4APoisoning by therapeutic gases, undetermined, initial encounter
- T41.5X4DPoisoning by therapeutic gases, undetermined, subsequent encounter
- T41.5X4SPoisoning by therapeutic gases, undetermined, sequela
- T41.5X5AAdverse effect of therapeutic gases, initial encounter
- T41.5X5DAdverse effect of therapeutic gases, subsequent encounter
- T41.5X5SAdverse effect of therapeutic gases, sequela
- T41.5X6AUnderdosing of therapeutic gases, initial encounter
- T41.5X6DUnderdosing of therapeutic gases, subsequent encounter
- T41.5X6SUnderdosing of therapeutic gases, sequela
T41 questions
What does T41 mean?
T41 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.