F44.89 – Other dissociative and conversion disorders
ICD-10-CM 2027 diagnosis code · Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
- Code
F44.89(claims format:F4489)- Description
- Other dissociative and conversion disorders
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
- Parent codes
- F44 › F44.8
Notes for F44.89
- Ganser's syndrome
- Psychogenic confusion
- Psychogenic twilight state
- Trance and possession disorders
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F44 – Dissociative and conversion disorders
- conversion hysteria
- conversion reaction
- hysteria
- hysterical psychosis
- malingering [conscious simulation] (Z76.5)
Index terms for F44.89
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Mania, hysterical
- Ganser's syndrome
- Trance, hysterical
- State, confusional
- Vertigo, hysterical
- Anorexia, hysterical
- Collapse, hysterical
- Giddiness, hysterical
- Dizziness, hysterical
- Depression, hysterical
- Dream state, hysterical
- Somnambulism, hysterical
- Sleep, walking, hysterical
- Walking, sleep, hysterical
- Twilight state, psychogenic
- State, confusional, reactive
- State, psychogenic, twilight
- State, twilight, psychogenic
- Confusion, confused, reactive
- Delirium, delirious, hysterical
- Disorder, trance and possession
- Confusion, confused, psychogenic
- Hyperesthesia, larynx, hysterical
- Confusion, confused, mental state
- Hyperesthesia, pharynx, hysterical
Related codes in F44.8
Frequently asked questions
What is ICD-10 code F44.89?
F44.89 is the ICD-10-CM code for other dissociative and conversion disorders, in the block F40-F48 (Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders).
Is F44.89 a billable code?
Yes. F44.89 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F44.89 belong to?
It belongs to category F44 – Dissociative and conversion disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.