2027 ICD-10-CM Diagnosis Code F44Dissociative and conversion disorders

ICD-10-CM Codes›F01–F99›F40-F48›F44

ICD-10-CM F44
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F44 is a non-billable ICD-10-CM category code for dissociative and conversion disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as F44.0, F44.1, F44.2, and F44.4.

Code Identity

ICD-10-CM Code
F44
Billable Status
No — Non-Billable Category
Code Describes
Dissociative and conversion disorders
Short Description
Dissociative and conversion disorders
Same as the full description in the CMS dataset.
Chapter
F40-F48
Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
CategoryF44Dissociative and conversion disorders
This CodeF44Dissociative and conversion disorders

Specific Coding for Dissociative and conversion disordersOverview

Non-specific codes like F44 require more characters. Use one of these billable codes instead:

  • Use F44.0 for Dissociative amnesia

  • Use F44.1 for Dissociative fugue

  • Use F44.2 for Dissociative stupor

  • Use F44.4 for Conversion disorder with motor symptom or deficit

  • Use F44.5 for Conversion disorder with seizures or convulsions

  • Use F44.6 for Conversion disorder with sensory symptom or deficit

  • Use F44.7 for Conversion disorder with mixed symptom presentation

  • F44.8 for Other dissociative and conversion disorders

  • Use F44.81 for Dissociative identity disorder

  • Use F44.89 for Other dissociative and conversion disorders

  • Use F44.9 for Dissociative and conversion disorder, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F44: its own notes plus those printed at Chapter 5. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

On F44 itself
  • conversion hysteria
  • conversion reaction
  • hysteria
  • hysterical psychosis
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On F44 itself
  • malingering [conscious simulation] (Z76.5)
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name F44, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming F44: they are not reported together with it, unless the two conditions are unrelated.

  • R41 Other symptoms and signs involving cognitive functions and awareness
    dissociative [conversion] disorders (F44.-)

Excludes2 2

These codes carry an Excludes2 note naming F44: its condition is not part of those codes, and both may be reported when the patient has both.

  • F45 Somatoform disorders
    dissociative and conversion disorders (F44.-)
  • F93.0 Separation anxiety disorder of childhood
    nonpsychotic mental disorders (F40-F48) names F40-F48, which includes this code

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.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F44Overview

What is the ICD-10 code for dissociative and conversion disorders?

F44 is the ICD-10-CM category for dissociative and conversion disorders, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is F44 (Dissociative and conversion disorders) a billable code?

No. This is a category header that groups the codes for dissociative and conversion disorders, and headers cannot be submitted on claims. Claims for dissociative and conversion disorders need a more specific code from this category, such as F44.0, F44.1, and F44.2.