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    v1.0.28
    OpenPayerBilling CodesSchizophrenia, schizotypal, delusional, and other non-mood psychotic disordersICD-10-CM f20-schizophrenia
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    ICD-10-CM Code For Schizophrenia: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group F20 includes primary schizophrenia diagnoses characterized by persistent psychotic symptoms such as delusions, hallucinations, disorganized thinking, and negative symptoms that impair social and occupational functioning. These ICD-10-CM diagnosis codes are used to document psychiatric conditions that capture severity, symptom type, chronicity, and functional impact relevant to schizophrenia. Accurate coding within the ICD-10-CM F20 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM F20: Schizophrenia Overview

    The ICD-10-CM F20 group encompasses schizophrenia diagnoses, a set of primary psychotic disorders affecting thought processes, perception, and behavior. These conditions target the psychiatric and nervous system domains and often require longitudinal care and coordination across mental health services. Accurate coding matters for reimbursement because it captures clinical complexity, treatment needs, and supports appropriate claim adjudication.

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    When to Use

    Use a code from this group when a clinician documents a diagnosis of schizophrenia or a specified subtype based on clinical assessment of psychotic symptoms and functional impairment. Select the code that best reflects the documented subtype, episode status, severity, and presence or absence of remission to support accurate clinical and billing records.

    ICD-10-CM Codes

    8 rows

    ICD-10-CM CodeDescription
    F20.0Paranoid schizophrenia
    F20.1Disorganized schizophrenia
    F20.2Catatonic schizophrenia
    F20.3Undifferentiated schizophrenia
    F20.5Residual schizophrenia
    F20.81Schizophreniform disorder
    F20.89Other schizophrenia
    F20.9Schizophrenia, unspecified

    DRG Codes

    1 rows

    DRG CodeDescription
    885Psychoses

    Typical Clinical Scenarios

    • A young adult presents to the emergency department with new-onset persecutory delusions, auditory hallucinations commanding self-harm, disorganized speech, and marked social withdrawal over the past two weeks; acute safety concerns and impaired reality testing prompt inpatient psychiatric evaluation and initiation of antipsychotic treatment, leading to assignment of an acute paranoid psychotic disorder code. Typical codes: F20.0, F20.81
    • A middle-aged patient with a long history of fluctuating psychotic symptoms, persistent negative symptoms (flat affect, social isolation), and multiple prior psychiatric hospitalizations is seen in outpatient specialty mental health clinic for routine management and medication adjustment; the clinician documents chronic schizophrenia with predominant negative features and ongoing need for maintenance therapy, resulting in a chronic schizophrenia code. Typical codes: F20.2, F20.9
    • An older adult with established schizophrenia presents with worsening behavioral disturbance and delusional jealousy in the context of a new medical hospitalization for pneumonia; the psychiatric consult-liaison team attributes the behavioral decompensation to a psychotic exacerbation complicating the medical illness and documents a schizophrenia code to capture the comorbid psychotic disorder affecting inpatient care. Typical codes: F20.89, F20.9

    Related Codes

    F21-SCHIZOTYPAL-DISORDER

    ICD-10-CM Code For Schizotypal Disorder: Group Overview

    F22-DELUSIONAL-DISORDERS

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

    F23-BRIEF-PSYCHOTIC-DISORDER

    ICD-10-CM Code For Brief Psychotic Disorder: Group Overview

    F24-SHARED-PSYCHOTIC-DISORDER

    ICD-10-CM Code For Shared Psychotic Disorder: Group Overview

    F25-SCHIZOAFFECTIVE-DISORDERS

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

    F28-OTHER-PSYCHOTIC-DISORDER

    ICD-10-CM Code For Other Psychotic Disorder Not Due To A Substance Or Known Physiological Condition: Group Overview

    F29-UNSPECIFIED-PSYCHOSIS-NOT-DUE-TO-A-SUBSTANCE

    ICD-10-CM Code For Unspecified Psychosis Not Due To A Substance Or Known Physiological Condition: 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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