J44.0Chronic obstructive pulmonary disease with acute lower respiratory infection
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 X
- Diseases of the respiratory system
- Group J40-J47
- Chronic lower respiratory diseases
- Official Vietnamese name
- Bệnh phổi tắc nghẽn mạn tính kèm nhiễm trùng đường hô hấp dưới cấp tính
- Additional WHO coding guidance
- due to external agents Excl.: with influenza (J09-J11)
Related J44 codes
J44
Other chronic obstructive pulmonary disease
J44.1
Primary diagnosis candidate
Chronic obstructive pulmonary disease with acute exacerbation, unspecified
J44.8
Primary diagnosis candidate
Other specified chronic obstructive pulmonary disease
J44.9
Primary diagnosis candidate
Chronic obstructive pulmonary disease, 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.
