2026 ICD-10-CM Diagnosis Code F24Shared psychotic disorder

ICD-10-CM Codes›F01–F99›F20-F29›F24

ICD-10-CM F24
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F24 is a billable ICD-10-CM diagnosis code for shared psychotic disorder. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as folie à trois. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Schizophrenia spectrum and other psychotic disorders.

Code Identity

ICD-10-CM Code
F24
Billable Status
Yes — Valid for Submission
Code Describes
Shared psychotic disorder
Chapter
F20-F29
Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders
CategoryF24Shared psychotic disorder
This CodeF24Shared psychotic disorder

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Folie à trois
  • Induced psychotic disorder

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Folie à deux
  • Induced paranoid disorder
  • Induced psychotic disorder

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disorder(of)
      • delusional (persistent) (systematized)
        • induced
    • Disorder(of)
      • paranoid
        • induced
    • Disorder(of)
      • paranoid
        • shared
    • Folie à deux
    • Psychosis, psychotic
      • induced
    • Psychosis, psychotic
      • shared

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD001
Schizophrenia spectrum and other psychotic disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Psychotic Disorders

Psychotic disorders are severe mental disorders that cause abnormal thinking and perceptions. People with psychoses lose touch with reality. Two of the main symptoms are delusions and hallucinations. Delusions are false beliefs, such as thinking that someone is plotting against you or that the TV is sending you secret messages.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert F24 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
297.3 Shared psychotic disord
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F24Overview

Is F24 (Shared psychotic disorder) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report shared psychotic disorder on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of F24?

Under the General Equivalence Mappings, shared psychotic disorder converts to ICD-9-CM 297.3 (shared psychotic disord). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.