F44.89 — Other dissociative and conversion disorders
F44.89 is a billable, specific ICD-10-CM code for other dissociative and conversion disorders. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Ganser's syndrome
- Psychogenic confusion
- Psychogenic twilight state
- Trance and possession disorders
Risk adjustment
F44.89 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
F44.89 is named in 12 Medicare coverage policies — 11 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56612Billing and Coding: CT of the Head
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56756Billing and Coding: Home Health - Psychiatric Care
How F44.89 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F44.89.
- Dream state, hysterical
- Ganser's syndrome(hysterical)
- Accommodation›hysterical paralysis of
- Anorexia›hysterical
- Collapse›hysterical
- Confusion, confused›mental state(psychogenic)
- Confusion, confused›psychogenic
- Confusion, confused›reactive(from emotional stress, psychological trauma)
- Delirium, delirious›hysterical
- Depression›hysterical
- Disorder›trance and possession
- Dizziness›hysterical
Related codes at this level
Codes that share F44.8. If F44.89 is not quite right, the correct code is usually one of these.
Questions about F44.89
- Is F44.89 a billable ICD-10-CM code?
- Yes. F44.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F44.89 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48).