F44.81 Dissociative identity disorder

Billable ICD-10-CM code, FY2026.

Applicable to

• Multiple personality disorder

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)

• CMS-HCC V28: HCC 153 — Personality Disorders; Anorexia/Bulimia Nervosa
• RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders
• ESRD V24: HCC 60

MS-DRG index

Defines the logic of DRG(s) 883 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 300.14 Dissociative identity disorder

Code annotations containing back-references to F44.81

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 F44.81

• Disorder (of) › identity › dissociative
• Disorder (of) › multiple personality
• Multiple, multiplex › personality
• Personality (disorder) › dual
• Personality (disorder) › multiple

Nearby codes

• F44.4 Conversion disorder with motor symptom or deficit
• 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 (this code)
• F44.89 Other dissociative and conversion disorders
• F44.9 Dissociative and conversion disorder, unspecified