R09.1Pleurisy
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 XVIII
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Official Vietnamese name
- Viêm màng phổi
- Additional WHO coding guidance
- Excl.: pleurisy with effusion (J90)
Related R09 codes
R09
Other symptoms and signs involving the circulatory and respiratory systems
R09.0
Primary diagnosis candidate
Asphyxia
R09.2
Primary diagnosis candidate
Respiratory arrest
R09.3
Primary diagnosis candidate
Abnormal sputum
R09.8
Primary diagnosis candidate
Other specified symptoms and signs involving the circulatory and respiratory systems
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.
