F44.5 Conversion disorder with seizures or convulsions

Billable ICD-10-CM code, FY2026.

Applicable to

• Conversion disorder with attacks or seizures
• Dissociative convulsions

Applies from F44 Dissociative and conversion disorders

Includes

• conversion hysteria
• conversion reaction
• hysteria
• hysterical psychosis

Excludes2 (not included here)

• malingering [conscious simulation] (Z76.5)

Risk adjustment (HCC)

• RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders

MS-DRG index

Defines the logic of DRG(s) 880 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 300.11 Conversion disorder (approximate)

Code annotations containing back-references to F44.5

Back-references to F44.5

• Type 1 Excludes: G40 Epilepsy and recurrent seizures ("conversion disorder with seizures (F44.5)")
• Type 1 Excludes: R29.0 Tetany ("hysterical tetany (F44.5)")
• Type 1 Excludes: R56 Convulsions, not elsewhere classified ("dissociative convulsions and seizures (F44.5)")

Back-references to F44

• Type 2 Excludes: F45 Somatoform disorders ("dissociative and conversion disorders (F44.-)")
• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("nonpsychotic mental disorders (F40-F48)")
• Type 1 Excludes: R41 Other symptoms and signs involving cognitive functions and awareness ("dissociative [conversion] disorders (F44.-)")

Diagnosis Index entries for F44.5

• Autonomic, autonomous › hysteria seizure
• Convulsions (idiopathic) › dissociative
• Convulsions (idiopathic) › hysterical
• Disorder (of) › conversion (functional neurological symptom disorder) › with › attacks or seizures
• Fit › hysterical
• Hysteria, hysterical (conversion) (dissociative state) › convulsions
• Hysteroepilepsy
• Pseudotetany › hysterical
• Seizure (s) › autonomic (hysterical)
• Seizure (s) › hysterical
• Tetany (due to) › convulsions › hysterical
• Tetany (due to) › functional (hysterical)
• Tetany (due to) › hyperkinetic › hysterical
• Tetany (due to) › hyperpnea › hysterical
• Tetany (due to) › hyperventilation › hysterical
• Tetany (due to) › psychogenic (conversion reaction)

Nearby codes

• F44 Dissociative and conversion disorders
• F44.0 Dissociative amnesia
• F44.1 Dissociative fugue
• F44.2 Dissociative stupor
• F44.4 Conversion disorder with motor symptom or deficit
• F44.5 Conversion disorder with seizures or convulsions (this code)
• F44.6 Conversion disorder with sensory symptom or deficit
• F44.7 Conversion disorder with mixed symptom presentation
• F44.8 Other dissociative and conversion disorders
• F44.81 Dissociative identity disorder
• F44.89 Other dissociative and conversion disorders