F44.4 Conversion disorder with motor symptom or deficit

Billable ICD-10-CM code, FY2026.

Applicable to

• 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

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 F44.4

Back-references to F44.4

• Type 1 Excludes: G24.3 Spasmodic torticollis ("hysterical torticollis (F44.4)")
• Type 1 Excludes: G82 Paraplegia (paraparesis) and quadriplegia (quadriparesis) ("hysterical paralysis (F44.4)")
• Type 1 Excludes: R25.1 Tremor, unspecified ("hysterical tremor (F44.4)")
• Type 1 Excludes: R49 Voice and resonance disorders ("psychogenic voice and resonance disorders (F44.4)")
• Type 1 Excludes: R53.2 Functional quadriplegia ("hysterical paralysis (F44.4)")

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 F44.4

• Abasia (-astasia) (hysterical)
• Abnormal, abnormality, abnormalities › gait › hysterical
• Aphonia (organic) › hysterical
• Aphonia (organic) › psychogenic
• Astasia (-abasia) (hysterical)
• Asthenia, asthenic › hysterical
• Ataxia, ataxy, ataxic › gait › hysterical
• Ataxia, ataxy, ataxic › hysterical
• Ataxia, ataxy, ataxic › nonorganic origin
• Ataxia, ataxy, ataxic › psychogenic
• Bent › back (hysterical)
• Bergeron's disease (hysterical chorea)
• Blocq's disease
• Camptocormia (hysterical)
• Change (s) (in) (of) › voice › psychogenic
• Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) › hysterical
• Contraction (s), contracture, contracted › hysterical
• Contraction (s), contracture, contracted › joint (abduction) (acquired) (adduction) (flexion) (rotation) › hysterical
• Contraction (s), contracture, contracted › muscle (postinfective) (postural) NEC › hysterical
• Contraction (s), contracture, contracted › muscle (postinfective) (postural) NEC › psychogenic › conversion reaction
• Deglutition › paralysis › hysterical
• Disorder (of) › conversion (functional neurological symptom disorder) › with › abnormal movement
• Disorder (of) › conversion (functional neurological symptom disorder) › with › speech symptoms
• Disorder (of) › conversion (functional neurological symptom disorder) › with › swallowing symptoms
• Disorder (of) › conversion (functional neurological symptom disorder) › with › weakness or paralysis
• Disorder (of) › dissociative › affecting › motor function
• Disorder (of) › movement › hysterical
• Disorder (of) › psychogenic NOS › monoplegic NEC
• Disorder (of) › psychogenic NOS › motor
• Disorder (of) › psychogenic NOS › paralytic NEC
• Disorder (of) › psychomotor NEC
• Disorder (of) › psychomotor NEC › hysterical
• Disturbance (s) › gait › hysterical
• Disturbance (s) › gait › psychogenic
• Disturbance (s) › psychomotor
• Disturbance (s) › voice › psychogenic
• Dysbasia › hysterical
• Dysbasia › nonorganic origin
• Dysbasia › psychogenic
• Dyskinesia › hysterical
• Dyskinesia › nonorganic origin
• Dyskinesia › psychogenic
• Dysphonia › functional
• Dysphonia › hysterical
• Dysphonia › psychogenic
• Gait abnormality › hysterical (ataxic) (staggering)
• Hemiplegia › hysterical
• Imbalance › hysterical
• Monoplegia › hysterical (transient)
• Monoplegia › 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 (this code)
• F44.5 Conversion disorder with seizures or convulsions
• 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