F44.89 is the authoritative medical code for Other dissociative and conversion disorders. This classification is used in medical billing and clinical recording to specify the clinical criteria for other dissociative and conversion disorders (ICD-10-CM F44.89), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other dissociative and conversion disorders is a billable ICD-10-CM diagnosis code F44.89. Includes: conversion hysteria; conversion reaction; hysteria; hysterical psychosis. Inclusion terms: Ganser's syndrome; Psychogenic confusion; Psychogenic twilight state; Trance and possession disorders. Excludes2 (not included here): malingering conscious simulation.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for F44.89 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- conversion hysteria
- conversion reaction
- hysteria
- hysterical psychosis
Inclusion Terms
Alternative terms the tabular list files under this code.
- Ganser's syndrome
- Psychogenic confusion
- Psychogenic twilight state
- Trance and possession disorders
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- malingering conscious simulation
Frequently Asked Questions (FAQ) & Clinical Guidance
Can F44.89 be reported alongside related conditions?
Per Excludes2 instructions, F44.89 and the following may both be reported when both are present: malingering [conscious simulation] (Z76.5).
What conditions are included under F44.89?
Other dissociative and conversion disorders includes: Ganser's syndrome; Psychogenic confusion; Psychogenic twilight state; Trance and possession disorders.
Codes in This Family (11)
Official ICD-10-CM classifications in the same code family as F44.89, with their registry titles.
- 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
- 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
- F44.9 — Dissociative and conversion disorder, unspecified
Indexed Clinical Terms (29)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Accommodation (disorder), hysterical paralysis of
- Anorexia, hysterical
- Attack, attacks, unconsciousness, hysterical
- Collapse, hysterical
- Confusion, confused, mental state (psychogenic)
- Confusion, confused, psychogenic
- Confusion, confused, reactive (from emotional stress, psychological trauma)
- Delirium, delirious (acute or subacute) (not alcohol- or drug-induced), hysterical
- Depression (acute) (mental), hysterical
- Disorder (of), dissociative, other specified NEC
- Disorder (of), trance and possession
- Dizziness, hysterical
- Dream state, hysterical
- Ganser's syndrome (hysterical)
- Giddiness, hysterical
- Hyperesthesia (body surface), larynx (reflex), hysterical
- Hyperesthesia (body surface), pharynx (reflex), hysterical
- Mania (monopolar), hysterical
- Paralysis, paralytic (complete) (incomplete), accommodation, hysterical
- Sleep, walking, hysterical
- Somnambulism, hysterical
- State (of), confusional (psychogenic)
- State (of), confusional (psychogenic), reactive (from emotional stress, psychological trauma)
- State (of), psychogenic, twilight
- State (of), twilight, psychogenic
- Trance, hysterical
- Twilight state, psychogenic
- Vertigo, hysterical
- Walking, sleep, hysterical
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: