2023 ICD-10-CM Diagnosis Code F20.81

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Schizophreniform disorder

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • F20.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM F20.81 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of F20.81 - other international versions of ICD-10 F20.81 may differ.
Applicable To
  • Schizophreniform psychosis NOS
The following code(s) above F20.81 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F20.81:
  • F01-F99
    2023 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
  • F20
    ICD-10-CM Diagnosis Code F20


      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
Approximate Synonyms
  • Chronic schizophreniform disorder
  • Schizophreniform disorder with good prognostic features
  • Schizophreniform disorder without good prognostic features
  • Schizophreniform disorder, chronic
Clinical Information
  • A disorder that differs from schizophrenia specifically in total duration (schizophreniform disorder lasts at least 1 month but less than 6 months whereas schizophrenia lasts at least 6 months); schizophreniform disorder also typically causes less impairment in the individual's social and occupational functioning.
ICD-10-CM F20.81 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 885 Psychoses

Convert F20.81 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to F20.81:
  • Disorder (of) - see also Disease
  • Psychosis, psychotic F29
    ICD-10-CM Diagnosis Code F29

    Unspecified psychosis not due to a substance or known physiological condition

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Psychosis NOS
    • Unspecified schizophrenia spectrum and other psychotic disorder
    Type 1 Excludes
    • mental disorder NOS (F99)
    • unspecified mental disorder due to known physiological condition (F09)

ICD-10-CM Codes Adjacent To F20.81
F19.982 Other psychoactive substance use, unspecified with psychoactive substance-induced sleep disorder
F19.988 Other psychoactive substance use, unspecified with other psychoactive substance-induced disorder
F19.99 …… with unspecified psychoactive substance-induced disorder
F20 Schizophrenia
F20.0 Paranoid schizophrenia
F20.1 Disorganized schizophrenia
F20.2 Catatonic schizophrenia
F20.3 Undifferentiated schizophrenia
F20.5 Residual schizophrenia
F20.8 Other schizophrenia
F20.81 Schizophreniform disorder
F20.89 Other schizophrenia
F20.9 Schizophrenia, unspecified
F21 Schizotypal disorder
F22 Delusional disorders
F23 Brief psychotic disorder
F24 Shared psychotic disorder
F25 Schizoaffective disorders
F25.0 Schizoaffective disorder, bipolar type
F25.1 Schizoaffective disorder, depressive type
F25.8 Other schizoaffective disorders

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.