2027 ICD-10-CM Diagnosis Code F44.4Conversion disorder with motor symptom or deficit

ICD-10-CM Codes›F01–F99›F40-F48›F44

ICD-10-CM F44.4
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F44.4 is a billable ICD-10-CM diagnosis code for conversion disorder with motor symptom or deficit. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 880. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Trauma- and stressor-related disorders.

F44.4 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 for payment year 2027.

Code Identity

ICD-10-CM Code
F44.4
Billable Status
Yes — Valid for Submission
Code Describes
Conversion disorder with motor symptom or deficit
Short Description
Conversion disorder with motor symptom or deficit
Same as the full description in the CMS dataset.
Parent Code
F44
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 CodeF44.4Conversion disorder with motor symptom or deficit

Medicare Risk Adjustment (HCC)Billing

F44.4 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.

CMS-HCC V28 (Medicare Advantage Payment Model)
Not mapped
no payment category in the model that pays 100% of MA risk scores
Prior Model (CMS-HCC V24)
Not mapped under V24
this diagnosis newly risk-adjusts under the V28 model
Part D (RxHCC)
RxHCC 133 — Anxiety and Other Psychiatric Disorders
also risk-adjusts in the Part D prescription drug model (V08)

Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adductor spastic dysphonia
  • Astasia-abasia
  • Camptocormia
  • Difficulty standing
  • Dissociative astasia-abasia
  • Dissociative motor disorder
  • Dissociative neurological disorder with symptom of movement disorder
  • Dissociative neurological disorder with symptom of weakness
  • Dissociative neurological symptom disorder co-occurrent with dystonia
  • Dissociative neurological symptom disorder co-occurrent with facial spasm
  • Dissociative neurological symptom disorder co-occurrent with parkinsonism
  • Dissociative neurological symptom disorder co-occurrent with symptom of speech production
  • Dissociative neurological symptom disorder co-occurrent with symptoms of gait disorder
  • Dissociative neurological symptom disorder with aphonia
  • Dissociative neurological symptom disorder with dysphonia
  • Dissociative neurological symptom disorder with muteness
  • Dissociative neurological symptom disorder with tremor
  • Dissociative paralysis
  • Functional monoparesis
  • Functional paraparesis
  • Hypofunctional dysphonia
  • Monoparesis
  • Mutism
  • Paraparesis
  • Psychogenic adductor spastic dysphonia
  • Psychogenic aphonia
  • Psychogenic dyskinesia
  • Psychogenic dysphonia
  • Psychogenic tremor
  • Psychogenic voice disorder

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F44.4: its own notes plus those printed at F44 and 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.

From F44 Dissociative and conversion disorders applies to 10 codes
  • conversion hysteria
  • conversion reaction
  • hysteria
  • hysterical psychosis
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Conversion disorder with abnormal movement
  • Conversion disorder with speech symptoms
  • Conversion disorder with swallowing symptoms
  • Conversion disorder with weakness/paralysis
  • Dissociative motor disorders
  • Psychogenic aphonia
  • Psychogenic dysphonia

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.

From F44 Dissociative and conversion disorders applies to 10 codes
  • 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 F44.4, its category, or a range that includes it.

Excludes1 6

These codes carry an Excludes1 note naming F44.4: they are not reported together with it, unless the two conditions are unrelated.

  • G24.3 Spasmodic torticollis
    hysterical torticollis (F44.4)
  • G82 Paraplegia (paraparesis) and quadriplegia (quadriparesis)
    hysterical paralysis (F44.4)
  • R25.1 Tremor, unspecified
    hysterical tremor (F44.4)
  • R49 Voice and resonance disorders
    psychogenic voice and resonance disorders (F44.4)
  • R53.2 Functional quadriplegia
    hysterical paralysis (F44.4)
  • R41 Other symptoms and signs involving cognitive functions and awareness
    dissociative [conversion] disorders (F44.-) names F44.-, which includes this code

Excludes2 2

These codes carry an Excludes2 note naming F44.4: 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.-) names F44.-, which includes this code
  • F93.0 Separation anxiety disorder of childhood
    nonpsychotic mental disorders (F40-F48) names F40-F48, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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

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 F44.4 to ICD-9-CMHistory

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

ICD-9-CM
300.11 Conversion disorder
Approximate The match is approximate rather than exact.

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 F44.4Overview

What is the ICD-10 code for conversion disorder with motor symptom or deficit?

The ICD-10-CM code for conversion disorder with motor symptom or deficit is F44.4 (sometimes written as F444). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is F44.4 (Dissociative and conversion disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report conversion disorder with motor symptom or deficit on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does F44.4 group to?

When conversion disorder with motor symptom or deficit is the principal diagnosis on an inpatient stay, it groups to MS-DRG 880 (acute Adjustment Reaction and Psychosocial Dysfunction), which carries a relative weight of 0.9306. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of F44.4?

Under the General Equivalence Mappings, conversion disorder with motor symptom or deficit converts to ICD-9-CM 300.11 (conversion disorder). The mapping is approximate, so confirm the match fits the documentation.

Does F44.4 risk-adjust for Medicare Advantage payment?

Not for Medicare Advantage: F44.4 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 (Anxiety and Other Psychiatric Disorders).