2026 ICD-10-CM Diagnosis Code F44.81Dissociative identity disorder

ICD-10-CM Codes›F01–F99›F40-F48›F44

ICD-10-CM F44.81
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F44.81 is a billable ICD-10-CM diagnosis code for dissociative identity disorder. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as multiple personality disorder. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Trauma- and stressor-related disorders.

Code Identity

ICD-10-CM Code
F44.81
Billable Status
Yes — Valid for Submission
Code Describes
Dissociative identity disorder
Short Description
Dissociative identity disorder
Same as the full description in the CMS dataset.
Parent Code
F44.8
Other dissociative and conversion disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
CategoryF44Dissociative and conversion disorders
This CodeF44.81Dissociative identity disorder

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Multiple personality disorder

Tabular List NotesGuidance

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

Inclusion Terms

  • Multiple personality 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)
      • identity
        • dissociative
    • Disorder(of)
      • multiple personality
    • Multiple, multiplex
      • personality
    • Personality(disorder)
      • dual
    • Personality(disorder)
      • multiple

Clinical ClassificationClinical

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

CCSR MBD007
Trauma- and stressor-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Dissociative Identity Disorder

    a dissociative disorder in which the individual adopts two or more distinct personalities. each personality is a fully integrated and complex unit with memories, behavior patterns and social friendships. transition from one personality to another is sudden.

  • Dissociative Identity Disorder

    a disorder characterized by the presence of two or more identities with distinct patterns of perception and personality which recurrently take control of the person's behavior; this is accompanied by a retrospective gap in memory of important personal information that far exceeds ordinary forgetfulness. the changes in identity are not due to substance use or to a general medical condition.

Patient EducationClinical

Mental Disorders

Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day..

The full article covers:

  • What are mental disorders?
  • What are some types of mental disorders?
  • What causes mental disorders?
  • Who is at risk for mental disorders?
  • How are mental disorders diagnosed?
  • What are the treatments for mental disorders?

Read the full article at MedlinePlus

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

Convert F44.81 to ICD-9-CMHistory

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

ICD-9-CM
300.14 Dissociatve identity dis
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 F44.81Overview

Is F44.81 (Other dissociative and conversion disorders) a billable code?

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

What is the ICD-9 equivalent of F44.81?

Under the General Equivalence Mappings, dissociative identity disorder converts to ICD-9-CM 300.14 (dissociatve identity dis). 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.