F45Somatoform 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 F45 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 dạng cơ thể
- Additional WHO coding guidance
- The main feature is repeated presentation of physical symptoms together with persistent requests for medical investigations, in spite of repeated negative findings and reassurances by doctors that the symptoms have no physical basis. If any physical disorders are present, they do not explain the nature and extent of the symptoms or the distress and preoccupation of the patient. Excl.: dissociative disorders (F44.-) hair-plucking (F98.4) lalling (F80.0) lisping (F80.8) nail-biting (F98.8) psychological or behavioural factors associated with disorders or diseases classified elsewhere (F54) sexual dysfunction, not caused by organic disorder or disease
Related F45 codes
F45.0
Primary diagnosis candidate
Somatization disorder
F45.1
Primary diagnosis candidate
Undifferentiated somatoform disorder
F45.2
Primary diagnosis candidate
Hypochondriacal disorder
F45.3
Primary diagnosis candidate
Somatoform autonomic dysfunction
F45.4
Primary diagnosis candidate
Persistent somatoform pain disorder
F45.8
Primary diagnosis candidate
Other somatoform disorders
F45.9
Primary diagnosis candidate
Somatoform 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.
