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    OpenPayerBilling CodesAnxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disordersICD-10-CM f48-other-nonpsychotic-mental-disorders
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    ICD-10-CM Code For Other Nonpsychotic Mental Disorders: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group F48 includes other nonpsychotic mental disorders such as dissociative disorders, somatoform disorders, and related conditions that do not meet criteria for psychosis and often present with functional, cognitive, or somatic symptoms. These ICD-10-CM diagnosis codes are used to document clinical scenarios including symptom type, functional impact, and presence or absence of comorbid psychiatric or medical conditions to capture clinical complexity. Accurate coding within the ICD-10-CM F48 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM F48: Other Nonpsychotic Mental Disorders Overview

    The ICD-10-CM F48 group includes other nonpsychotic mental disorders such as certain somatoform, dissociative, and stress-related conditions that do not meet criteria for psychotic disorders. These diagnoses target mental and behavioral functioning rather than a single organ system and often appear in outpatient, behavioral health, and primary care settings. Accurate coding is important for clinical documentation, communicating patient status, and supporting appropriate reimbursement and claim processing.

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    When to Use

    Use a code from this group when a clinician documents a diagnosed nonpsychotic mental disorder such as a dissociative or somatoform condition that accounts for the patients presenting symptoms. Apply codes to reflect the specific diagnosis, symptom severity, and any documented functional impairment to support clinical and billing records.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    F48.1Depersonalization-derealization syndrome
    F48.2Pseudobulbar affect
    F48.8Other specified nonpsychotic mental disorders
    F48.9Nonpsychotic mental disorder, unspecified

    DRG Codes

    4 rows

    DRG CodeDescription
    056Degenerative Nervous System Disorders with MCC
    057Degenerative Nervous System Disorders without MCC
    880Acute Adjustment Reaction and Psychosocial Dysfunction
    882Neuroses Except Depressive

    Typical Clinical Scenarios

    • A middle-aged patient presents to primary care complaining of months of persistent fatigue, poor concentration, and multiple unexplained physical symptoms (e.g., headaches, gastrointestinal upset) that have not responded to repeated medical evaluations. Symptoms began after a stressful life event but do not meet criteria for a major depressive or psychotic disorder; a somatoform or functional somatic disorder is considered and coded to capture these nonpsychotic, distressing somatic complaints. Typical codes: F48.0, F48.1, F48.8
    • An adolescent arrives at urgent care after a transient episode of dissociation during a school crisis, characterized by sudden depersonalization and derealization without evidence of a psychotic disorder or substance intoxication. The episode is brief but severe enough to impair functioning at school and prompts evaluation for a dissociative or stress-related nonpsychotic disorder. Typical codes: F48.1, F48.2
    • An older adult with a history of chronic anxiety develops new, persistent somatic preoccupation and health anxiety after multiple negative medical workups, leading to repeated primary care visits and functional impairment. The clinician documents an ongoing nonpsychotic somatoform or related disorder as a comorbid diagnosis to guide care coordination and monitoring. Typical codes: F48.8, F48.9

    Related Codes

    F40-PHOBIC-ANXIETY-DISORDERS

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

    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

    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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