F06.4Organic anxiety disorder
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Chapter V
- Mental and behavioural disorders
- Group F00-F09
- Organic, including symptomatic, mental disorders
- Official Vietnamese name
- Rối loạn lo âu thực tổn
- Additional WHO coding guidance
- A disorder characterized by the essential descriptive features of a generalized anxiety disorder (F41.1), a panic disorder (F41.0), or a combination of both, but arising as a consequence of an organic disorder. Excl.: anxiety disorders, nonorganic or
Related F06 codes
F06
Other mental disorders due to brain damage and dysfunction and to physical disease
F06.0
Primary diagnosis candidate
Organic hallucinosis A disorder of
F06.1
Primary diagnosis candidate
Organic catatonic disorder
F06.2
Primary diagnosis candidate
Organic delusional [schizophrenia-like] disorder
F06.3
Primary diagnosis candidate
Organic mood [affective] disorders
F06.5
Primary diagnosis candidate
Organic dissociative disorder
F06.6
Primary diagnosis candidate
Organic emotionally labile [asthenic] disorder
F06.7
Primary diagnosis candidate
Mild cognitive disorder
F06.8
Primary diagnosis candidate
Other specified mental disorders due to brain damage and dysfunction and to physical disease
F06.9
Primary diagnosis candidate
Unspecified mental disorder due to brain damage and dysfunction and to physical disease
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.
