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    v1.0.28
    OpenPayerBilling CodesMental and behavioral disorders due to psychoactive substance useICD-10-CM f16-hallucinogen-related-disorders
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    ICD-10-CM Code For Hallucinogen Related Disorders: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group F16 includes disorders related to the use of hallucinogenic substances such as intoxication, harmful use, dependence, withdrawal, and persistent perceptual disorders. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving altered perception, mood, cognition, or behavior due to hallucinogens, capturing severity and psychiatric or neurological complications. Accurate coding within the ICD-10-CM F16 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM F16: Hallucinogen Related Disorders Overview

    The diagnoses in this group represent mental and behavioral disorders caused by hallucinogenic substances, affecting cognition, perception, mood, and behavior. These conditions primarily target the nervous system and psychiatric functioning and can include intoxication, harmful use, dependence, and long-term persistent perceptual disorders. Accurate coding matters for appropriate clinical documentation and can impact reimbursement and continuity of care.

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    When to Use

    Use a code from this group when a clinician documents that symptoms are directly related to hallucinogen use, such as altered perception, hallucinations, panic reactions, or persistent perceptual disturbances. Select the code that reflects the clinical state and level of severity described in the medical record, including any complications or associated mental disorders.

    ICD-10-CM Codes

    40 rows

    ICD-10-CM CodeDescription
    F16.10Hallucinogen abuse, uncomplicated
    F16.11Hallucinogen abuse, in remission
    F16.120Hallucinogen abuse with intoxication, uncomplicated
    F16.121Hallucinogen abuse with intoxication with delirium
    F16.122Hallucinogen abuse with intoxication with perceptual disturbance
    F16.129Hallucinogen abuse with intoxication, unspecified
    F16.14Hallucinogen abuse with hallucinogen-induced mood disorder
    F16.150Hallucinogen abuse with hallucinogen-induced psychotic disorder with delusions
    F16.151Hallucinogen abuse with hallucinogen-induced psychotic disorder with hallucinations
    F16.159Hallucinogen abuse with hallucinogen-induced psychotic disorder, unspecified
    F16.180Hallucinogen abuse with hallucinogen-induced anxiety disorder
    F16.183Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)
    F16.188Hallucinogen abuse with other hallucinogen-induced disorder
    F16.19Hallucinogen abuse with unspecified hallucinogen-induced disorder
    F16.20Hallucinogen dependence, uncomplicated
    F16.21Hallucinogen dependence, in remission
    F16.220Hallucinogen dependence with intoxication, uncomplicated
    F16.221Hallucinogen dependence with intoxication with delirium
    F16.229Hallucinogen dependence with intoxication, unspecified
    F16.24Hallucinogen dependence with hallucinogen-induced mood disorder

    Showing 1–20 of 40

    DRG Codes

    4 rows

    DRG CodeDescription
    894Alcohol, Drug Abuse or Dependence, Left AMA
    895Alcohol, Drug Abuse or Dependence with Rehabilitation Therapy
    896Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy with MCC
    897Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy without MCC

    Typical Clinical Scenarios

    • A young adult brought to the emergency department by friends after ingesting an unknown quantity of an illicit hallucinogenic substance and presenting with acute visual and auditory hallucinations, severe agitation, tachycardia, and disorientation. Emergency staff manage acute stabilization, monitor vitals, and treat agitation; the encounter is coded for an acute hallucinogen intoxication without withdrawal when the substance-related псих symptoms are temporally related to recent use. Typical codes: F16.0, F16.10, F16.120.
    • A 28-year-old patient in outpatient psychiatry reports persistent perceptual disturbances (visual distortions and flashbacks) and anxiety that have continued for months after intermittent recreational use of hallucinogens; symptoms impair occupational functioning. Because the presentation represents a chronic, persisting hallucinogen-induced disorder manifesting as ongoing perceptual and mood symptoms long after use, it is coded as a hallucinogen-related disorder with residual or prolonged effects. Typical codes: F16.7, F16.94, F16.99.
    • A middle-aged patient with a history of hallucinogen use presents during a routine medical visit with new onset depressive symptoms and suicidal ideation that clinicians determine are temporally associated with recent hallucinogen misuse and require documentation of a substance-induced mood disorder as a comorbid condition. The hallucinogen-related diagnosis is assigned to capture the substance-related contribution to the mood disorder and to guide coordinated care with behavioral health. Typical codes: F16.2, F16.21, F16.229.

    Related Codes

    F10-ALCOHOL-RELATED-DISORDERS

    ICD-10-CM Code For Alcohol Related Disorders: Group Overview

    F11-OPIOID-RELATED-DISORDERS

    ICD-10-CM Code For Opioid Related Disorders: Group Overview

    F12-CANNABIS-RELATED-DISORDERS

    ICD-10-CM Code For Cannabis Related Disorders: Group Overview

    F13-SEDATIVE-HYPNOTIC-ANXIOLYTIC-DISORDERS

    ICD-10-CM Code For Sedative Hypnotic Or Anxiolytic Related Disorders: Group Overview

    F14-COCAINE-RELATED-DISORDERS

    ICD-10-CM Code For Cocaine Related Disorders: Group Overview

    F15-OTHER-STIMULANT-RELATED-DISORDERS

    ICD-10-CM Code For Other Stimulant Related Disorders: Group Overview

    F17-NICOTINE-DEPENDENCE

    ICD-10-CM Code For Nicotine Dependence: Group Overview

    F18-INHALANT-RELATED-DISORDERS

    ICD-10-CM Code For Inhalant Related Disorders: Group Overview

    F19-OTHER-PSYCHOACTIVE-SUBSTANCE-RELATED-DISORDERS

    ICD-10-CM Code For Other Psychoactive Substance Related Disorders: Group Overview

    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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