2025 ICD-10-CM Diagnosis Code F23

Brief psychotic disorder

• F23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM F23 became effective on October 1, 2024.
• This is the American ICD-10-CM version of F23 – other international versions of ICD-10 F23 may differ.

Applicable To

• Paranoid reaction
• Psychogenic paranoid psychosis

Type 2 Excludes

• mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)

The following code(s) above F23 contain annotation back-references

 that may be applicable to F23:

• F01-F99  Mental, Behavioral and Neurodevelopmental disorders

Approximate Synonyms

• Acute paranoid reaction
• Acute schizophrenic episode
• Brief psychotic disorder co-occurrent with catatonia
• Brief psychotic disorder w catatonia
• Brief reactive psychosis
• Delusion of persecution
• Paranoid reaction
• Paranoid reaction acute
• Psychogenic paranoid psychosis
• Psychosis, psychogenic
• Psychotic disorder, brief
• Reactive psychoses
• Reactive psychosis
• Schizophrenia, acute episode

Clinical Information

• A disorder characterized by delusions, hallucinations, disorganized speech, and/or grossly disorganized behavior that resolve within a month.

ICD-10-CM F23 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 885 Psychoses

Convert F23 to ICD-9-CMCode 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
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Code annotations containing back-references to F23:

• Type 1 Excludes: F20, F20, F20.3
• Type 2 Excludes: F06.2, F22, F22

Diagnosis Index entries containing back-references to F23:

• Attack, attacks
  • schizophreniform, brief F23
• Bouffée délirante F23
• Disorder (of) – see also Disease
  • psychotic – see Psychosis
    • transient F23 (acute)
  • schizophreniformF20.81
    • brief F23
• Episode
  • psychotic F23
  • schizophrenic F23 (acute)
• Oneirophrenia F23
• Paranoid
  • psychosis (climacteric) (involutional) (menopausal) F22
    • psychogenic F23 (acute)
  • reaction (acute) F23
• Psychosis, psychoticF29
  • acute (transient) F23
  • confusionalF29
    • reactive F23
  • episode F23
  • paranoid (climacteric) (involutional) (menopausal) F22
    • psychogenic F23 (acute)
  • psychogenic (paranoid) F23
  • reactive (brief) (transient) (emotional stress) (psychological trauma) F23
  • schizophreniformF20.81
    • brief F23
    • confusional type F23
  • cycloid F23
  • situational F23 (reactive)
• Reaction – see also Disorder
  • paranoid (acute) F23
  • schizophrenic F23
    • acute F23 (brief) (undifferentiated)
    • undifferentiated F23 (acute) (brief)
• Schizophrenia, schizophrenicF20.9
  • acute F23 (brief) (undifferentiated)
  • reaction F23
• State (of)
  • oneiroid F23 (schizophrenia-like)