VITiếng Việt
ICD-10 Vietnam

F43.0Acute stress reaction

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 F40-F48
Neurotic, stress- related and somatoform disorders
Official Vietnamese name
Phản ứng với căng thẳng cấp tính
Additional WHO coding guidance
A transient disorder that develops in an individual without any other apparent mental disorder in response to exceptional physical and mental stress and that usually subsides within hours or days. Individual vulnerability and coping capacity play a role in the occurrence and severity of acute stress reactions. The symptoms show a typically mixed and changing picture and include an initial state of "daze" with some constriction of the field of consciousness and narrowing of attention, inability to comprehend stimuli, and disorientation. This state may be followed either by further withdrawal from the surrounding situation (to the extent of a dissociative stupor - F44.2), or by agitation and over- activity (flight reaction

Related F43 codes

F43 Reaction to severe stress, and adjustment disorders F43.1 Primary diagnosis candidate Post-traumatic stress disorder F43.2 Primary diagnosis candidate Adjustment disorders F43.8 Primary diagnosis candidate Other reactions to severe stress F43.9 Primary diagnosis candidate Reaction to severe stress, 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.