J99.1*Respiratory disorders in other diffuse connective tissue disorders
Code usage status
Primary diagnosis
Must not 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 J95-J99
- Other diseases of the respiratory system
- Official Vietnamese name
- Rối loạn hô hấp do bệnh mô liên kết lan tỏa khác
- Additional WHO coding guidance
- Respiratory disorders in: dermatomyositis (M33.0-M33.1) granulomatosis with polyangiitis (M31.3) polymyositis (M33.2) sicca syndrome [Sjögren] (M35.0) systemic: lupus erythematosus (M32.1) sclerosis
Related J99 codes
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.
