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    v1.0.28
    OpenPayerBilling CodesToxic effects of substances chiefly nonmedicinal as to sourceICD-10-CM t51-toxic-effect-of-alcohol
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    ICD-10-CM Code For Toxic Effect Of Alcohol: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group T51 includes diagnoses for toxic effects of alcohols, including ethanol and other alcoholic substances that cause poisoning, systemic toxicity, or organ-specific injury. These ICD-10-CM diagnosis codes are used to document acute poisoning events, complications such as coma or respiratory depression, and sequelae involving organ systems affected by alcohol toxicity. Accurate coding within the ICD-10-CM T51 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM T51: Toxic Effect Of Alcohol Overview

    The ICD-10-CM T51 codes describe toxic effects resulting from exposure to alcoholic beverages and their chemical alcohol constituents affecting multiple organ systems, commonly the central nervous system and gastrointestinal system. These codes capture acute and chronic toxic presentations, such as poisoning, coma, and organ-specific toxicity. Accurate coding matters for proper clinical documentation and supports correct claim processing and reimbursement by reflecting severity and complications.

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    When to Use

    Use codes from this group when clinical documentation indicates toxic exposure to an alcohol substance as the primary cause of the patient’s presentation or complications. Select the code that reflects the specific alcohol type and the severity or manifestation documented, such as poisoning with coma or unspecified toxic effect.

    ICD-10-CM Codes

    72 rows

    ICD-10-CM CodeDescription
    T51.0X1AToxic effect of ethanol, accidental (unintentional), initial encounter
    T51.0X1DToxic effect of ethanol, accidental (unintentional), subsequent encounter
    T51.0X1SToxic effect of ethanol, accidental (unintentional), sequela
    T51.0X2AToxic effect of ethanol, intentional self-harm, initial encounter
    T51.0X2DToxic effect of ethanol, intentional self-harm, subsequent encounter
    T51.0X2SToxic effect of ethanol, intentional self-harm, sequela
    T51.0X3AToxic effect of ethanol, assault, initial encounter
    T51.0X3DToxic effect of ethanol, assault, subsequent encounter
    T51.0X3SToxic effect of ethanol, assault, sequela
    T51.0X4AToxic effect of ethanol, undetermined, initial encounter
    T51.0X4DToxic effect of ethanol, undetermined, subsequent encounter
    T51.0X4SToxic effect of ethanol, undetermined, sequela
    T51.1X1AToxic effect of methanol, accidental (unintentional), initial encounter
    T51.1X1DToxic effect of methanol, accidental (unintentional), subsequent encounter
    T51.1X1SToxic effect of methanol, accidental (unintentional), sequela
    T51.1X2AToxic effect of methanol, intentional self-harm, initial encounter
    T51.1X2DToxic effect of methanol, intentional self-harm, subsequent encounter
    T51.1X2SToxic effect of methanol, intentional self-harm, sequela
    T51.1X3AToxic effect of methanol, assault, initial encounter
    T51.1X3DToxic effect of methanol, assault, subsequent encounter

    Showing 1–20 of 72

    DRG Codes

    6 rows

    DRG CodeDescription
    917Poisoning and Toxic Effects of Drugs with MCC
    918Poisoning and Toxic Effects of Drugs without MCC
    922Other Injury, Poisoning and Toxic Effect Diagnoses with MCC
    923Other Injury, Poisoning and Toxic Effect Diagnoses without MCC
    949Aftercare with CC/MCC
    950Aftercare without CC/MCC

    Typical Clinical Scenarios

    • An adult is brought to the emergency department after acute ingestion of a large quantity of antifreeze-mixed homemade liquor with rapid onset of central nervous system depression, vomiting, and metabolic acidosis. Emergency staff provide resuscitation and toxin-directed care; a toxic effect of alcohol substance code is assigned to describe the acute poisoning due to a toxic alcohol exposure. Typical codes: T51.0X1A, T51.1X1A
    • A middle-aged patient with a history of chronic heavy use of hand-sanitizer-based ethanol presents to clinic with persistent peripheral neuropathy, gait instability, and cognitive complaints after months of ongoing ingestion. The encounter documents ongoing toxic effects from repeated nonmedical alcohol exposure and serves to code the chronic toxic effect as part of outpatient management and follow-up. Typical codes: T51.92XA, T51.94XA
    • An elderly patient hospitalized for community-acquired pneumonia is found to have acute delirium and elevated blood methanol level after consuming contaminated moonshine; the delirium prolongs hospitalization and complicates treatment. The toxic effect diagnosis is used as a comorbid acute toxic alcohol poisoning that contributes to the inpatient stay and influences management. Typical codes: T51.0X1A, T51.3X1A

    Related Codes

    T52-TOXIC-EFFECT-OF-ORGANIC-SOLVENTS

    ICD-10-CM Code For Toxic Effect Of Organic Solvents: Group Overview

    T53-TOXIC-EFFECT-HALOGENATED-HYDROCARBONS

    ICD-10-CM Code For Toxic Effect Of Halogen Derivatives Of Aliphatic And Aromatic Hydrocarbons: Group Overview

    T54-TOXIC-EFFECT-OF-CORROSIVE-SUBSTANCES

    ICD-10-CM Code For Toxic Effect Of Corrosive Substances: Group Overview

    T55-TOXIC-EFFECT-OF-SOAPS-AND-DETERGENTS

    ICD-10-CM Code For Toxic Effect Of Soaps And Detergents: Group Overview

    T57-TOXIC-EFFECT-OTHER-INORGANICS

    ICD-10-CM Code For Toxic Effect Of Other Inorganic Substances: Group Overview

    T58-TOXIC-EFFECT-OF-CARBON-MONOXIDE

    ICD-10-CM Code For Toxic Effect Of Carbon Monoxide: Group Overview

    T59-TOXIC-EFFECT-OF-OTHER-GASES

    ICD-10-CM Code For Toxic Effect Of Other Gases Fumes And Vapors: Group Overview

    T60-TOXIC-EFFECT-OF-PESTICIDES

    ICD-10-CM Code For Toxic Effect Of Pesticides: Group Overview

    T61-TOXIC-SEAFOOD-EXPOSURE

    ICD-10-CM Code For Toxic Effect Of Noxious Substances Eaten As Seafood: Group Overview

    T62-TOXIC-EFFECT-EATEN-AS-FOOD

    ICD-10-CM Code For Toxic Effect Of Other Noxious Substances Eaten As Food: Group Overview

    Showing 1–10 of 13

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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