All ICD10 Codes

F44

Non-Billable
ChapterF01–F99
Rankcategory
Official Description

Dissociative and conversion disorders

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Instructional Notes

Includes
  • conversion hysteria
  • conversion reaction
  • hysteria
  • hysterical psychosis
Excludes2(Not included here)
  • malingering [conscious simulation] (Z76.5)

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
F44Dissociative and conversion disorders
F44.0Dissociative amnesia
F44.1Dissociative fugue
F44.2Dissociative stupor
F44.4Conversion disorder with motor symptom or deficit
F44.5Conversion disorder with seizures or convulsions
F44.6Conversion disorder with sensory symptom or deficit
F44.7Conversion disorder with mixed symptom presentation
F44.8Other dissociative and conversion disorders
F44.9Dissociative and conversion disorder, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F44:

chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F44. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Abasia (-astasia) (hysterical)1 unique routes
Direct index entry→F44
Abnormal, abnormality, abnormalities1 unique routes
gait
hysterical→F44
Accommodation (disorder)1 unique routes
hysterical paralysis of→F44
Amaurosis (acquired) (congenital)1 unique routes
hysterical→F44
Amblyopia (congenital) (ex anopsia) (partial) (suppression)1 unique routes
hysterical→F44
Amnesia4 unique routes
dissociative→F44(2 variants)
with dissociative fugue→F44
hysterical→F44
psychogenic→F44
Anesthesia, anesthetic3 unique routes
dissociative→F44
functional (hysterical)→F44
hysterical→F44
Anorexia1 unique routes
hysterical→F44
Anosmia1 unique routes
hysterical→F44
Aphonia (organic)2 unique routes
hysterical→F44
psychogenic→F44
Astasia (-abasia) (hysterical)1 unique routes
Direct index entry→F44
Asthenia, asthenic1 unique routes
hysterical→F44
Asthenopia2 unique routes
hysterical→F44
psychogenic→F44
Ataxia, ataxy, ataxic4 unique routes
gait
hysterical→F44
hysterical→F44
nonorganic origin→F44
psychogenic→F44
Attack, attacks1 unique routes
hysterical→F44

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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