F23 BRIEF PSYCHOTIC DISORDER

Code Information

Diagnosis Code: F23
Short Description: Brief psychotic disorder
Long Description: Brief psychotic disorder
Code Version: 2025 ICD-10-CM

The code F23 is VALID for claim submission

Code Classification

Mental and behavioural disorders (F01–F99)
- Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
  - Brief psychotic disorder (F23)

Synonyms

Acute paranoid reaction
Acute polymorphic psychotic disorder
Acute polymorphic psychotic disorder co-occurrent with symptoms of schizophrenia
Acute polymorphic psychotic disorder without symptoms of schizophrenia
Acute psychosis
Acute schizophrenic episode
Acute transient psychotic disorder
Bouffée délirante
Brief reactive psychosis
Cycloid psychosis
Disturbance of perception associated with conversion and dissociative phenomenon
Psychogenic paranoid psychosis
Reactive confusion
Reactive psychoses
Schizophrenic reaction
Transient organic mental disorder
Transient organic psychoses

References to Index of Diseases and Injuries

The code F23 has the following ICD-10-CM references to the Index of Diseases and Injuries

Inclusion Terms:
- Paranoid reaction
- Psychogenic paranoid psychosis
Type 2 Excludes Notes:
- mood [affective] disorders with psychotic symptoms (@F30.2*, @F31.2*, @F31.5*, @F31.64*, @F32.3*, @F33.3*)

Crosswalk Information

ICD-10 Code	ICD-9 Code	ICD-9 Description
F23	298.3	Acute paranoid reaction
	298.4	Psychogen paranoid psych
	298.8	React psychosis NEC/NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description

This page was last updated on: 10/1/2025

Previous Code

Next Code