F44Dissociative [conversion] disorders
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use F44 directly
Use the most specific code supported by the record.
- Chapter V
- Mental and behavioural disorders
- Group F40-F48
- Neurotic, stress- related and somatoform disorders
- Official Vietnamese name
- Rối loạn phân ly [chuyển dạng]
- Additional WHO coding guidance
- The common themes that are shared by dissociative or conversion disorders are a partial or complete loss of the normal integration between memories of the past, awareness of identity and immediate sensations, and control of bodily movements. All types of dissociative disorders tend to remit after a few weeks or months, particularly if their onset is associated with a traumatic life event. More chronic disorders, particularly paralyses and anaesthesias, may develop if the onset is associated with insoluble problems or interpersonal difficulties. These disorders have previously been classified as various types of "conversion hysteria". They are presumed to be
Related F44 codes
F44.0
Primary diagnosis candidate
Dissociative amnesia
F44.1
Primary diagnosis candidate
Dissociative fugue
F44.2
Primary diagnosis candidate
Dissociative stupor
F44.3
Primary diagnosis candidate
Trance and possession disorders
F44.4
Primary diagnosis candidate
Dissociative motor disorders
F44.5
Primary diagnosis candidate
Dissociative convulsions
F44.6
Primary diagnosis candidate
Dissociative anaesthesia and sensory loss
F44.7
Primary diagnosis candidate
Mixed dissociative [conversion] disorders
F44.8
Primary diagnosis candidate
Other dissociative [conversion] disorders
F44.9
Primary diagnosis candidate
Dissociative [conversion] disorder, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
