VITiếng Việt
ICD-10 Vietnam

J45Asthma

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 J45 directly

Use the most specific code supported by the record.

Chapter X
Diseases of the respiratory system
Group J40-J47
Chronic lower respiratory diseases
Official Vietnamese name
Hen phế quản [hen suyễn] [hen]
Additional WHO coding guidance
Excl.: acute severe asthma (J46) chronic asthmatic (obstructive) bronchitis (J44.-) chronic obstructive asthma (J44.-) eosinophilic asthma (J82) lung diseases due to external agents (J60-J70) status asthmaticus (J46)

Related J45 codes

J45.0 Primary diagnosis candidate Predominantly allergic asthma J45.1 Primary diagnosis candidate Nonallergic asthma J45.8 Primary diagnosis candidate Mixed asthma J45.9 Primary diagnosis candidate Asthma, unspecified Asthmatic bronchitis

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.