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    v1.0.28
    OpenPayerBilling CodesAnxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disordersICD-10-CM f40-phobic-anxiety-disorders
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    ICD-10-CM Code For Phobic Anxiety Disorders: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group F40 includes phobic anxiety disorders such as specific phobias, social phobia (social anxiety disorder), and agoraphobia, covering fear-based responses to objects, situations, or social performance contexts. These ICD-10-CM diagnosis codes are used to document presentations of persistent and excessive fear or anxiety, functional impairment, and any associated avoidance behaviors or severity indicators. Accurate coding within the ICD-10-CM F40 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM F40: Phobic Anxiety Disorders Overview

    The ICD-10-CM F40 group covers phobic anxiety disorders, including specific phobias, social phobia, and agoraphobia, which primarily affect psychological and behavioral functioning. These conditions target anxiety responses to specific objects, situations, or social interactions and can significantly impair daily activities and participation. Accurate coding of these mental health diagnoses matters for correct clinical documentation and appropriate reimbursement.

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    When to Use

    Use a code from this group when a clinician documents a diagnosis of a phobic anxiety disorder specifying the type and any relevant qualifiers such as severity or presence of panic symptoms. Codes are selected to reflect the documented clinical presentation, impairment, and any comorbid conditions that affect treatment or utilization.

    ICD-10-CM Codes

    23 rows

    ICD-10-CM CodeDescription
    F40.00Agoraphobia, unspecified
    F40.01Agoraphobia with panic disorder
    F40.02Agoraphobia without panic disorder
    F40.10Social phobia, unspecified
    F40.11Social phobia, generalized
    F40.210Arachnophobia
    F40.218Other animal type phobia
    F40.220Fear of thunderstorms
    F40.228Other natural environment type phobia
    F40.230Fear of blood
    F40.231Fear of injections and transfusions
    F40.232Fear of other medical care
    F40.233Fear of injury
    F40.240Claustrophobia
    F40.241Acrophobia
    F40.242Fear of bridges
    F40.243Fear of flying
    F40.248Other situational type phobia
    F40.290Androphobia
    F40.291Gynephobia

    Showing 1–20 of 23

    DRG Codes

    1 rows

    DRG CodeDescription
    882Neuroses Except Depressive

    Typical Clinical Scenarios

    • A 28-year-old woman presents to primary care reporting a long history of intense, persistent fear of public speaking that causes marked anxiety, avoidance of work-related presentations, and significant occupational impairment. She describes anticipatory anxiety, panic-like symptoms when expected to perform, and has arranged to avoid social and performance situations for years. A performance-type social phobia diagnosis is assigned based on situational-specific fear and avoidance. Typical codes: F40.011, F40.10.
    • A 45-year-old man comes to the emergency department after a panic attack triggered by being in a crowded subway station; he reports that being in enclosed crowds has led to repeated episodes of acute anxiety and situational avoidance, including using cars instead of public transit for months. Evaluation documents acute panic symptoms in the context of situational phobic avoidance and concern for future attacks, prompting an acute management plan and assignment of a situational phobia code. Typical codes: F40.00, F40.210.
    • A 60-year-old woman with long-standing generalized anxiety now develops prominent agoraphobic avoidance, requiring family assistance to leave home and report secondary depressive symptoms and reduced functioning. In outpatient follow-up the clinician notes persistent avoidance of open spaces and public places that substantially impair daily living, and documents the phobic disorder as a comorbid chronic condition contributing to disability. Typical codes: F40.01, F40.9.

    Related Codes

    F41-OTHER-ANXIETY-DISORDERS

    ICD-10-CM Code For Other Anxiety Disorders: Group Overview

    F42-OBSESSIVE-COMPULSIVE-DISORDER

    ICD-10-CM Code For Obsessive-Compulsive Disorder: Group Overview

    F43-REACTION-TO-SEVERE-STRESS

    ICD-10-CM Code For Reaction To Severe Stress And Adjustment Disorders: Group Overview

    F44-DISSOCIATIVE-AND-CONVERSION-DISORDERS

    ICD-10-CM Code For Dissociative And Conversion Disorders: Group Overview

    F45-SOMATOFORM-DISORDERS

    ICD-10-CM Code For Somatoform Disorders: Group Overview

    F48-OTHER-NONPSYCHOTIC-MENTAL-DISORDERS

    ICD-10-CM Code For Other Nonpsychotic Mental 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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