J98.2Interstitial emphysema
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 J95-J99
- Other diseases of the respiratory system
- Official Vietnamese name
- Giãn phế nang mô kẽ
- Additional WHO coding guidance
- Mediastinal emphysema Excl.: khí phế thũng: NOS (J43.9) in fetus and newborn (P25.0) surgical (subcutaneous) (T81.8) traumatic subcutaneous (T79.7)
Related J98 codes
J98
Other respiratory disorders
J98.0
Primary diagnosis candidate
Diseases of bronchus, not elsewhere classified
J98.1
Primary diagnosis candidate
Pulmonary collapse
J98.3
Primary diagnosis candidate
Compensatory emphysema
J98.4
Primary diagnosis candidate
Other disorders of lung
J98.5
Primary diagnosis candidate
Diseases of mediastinum, not elsewhere classified
J98.6
Primary diagnosis candidate
Disorders of diaphragm
J98.7
Primary diagnosis candidate
Respiratory infections, not elsewhere classified
J98.8
Primary diagnosis candidate
Other specified respiratory disorders
J98.9
Primary diagnosis candidate
Respiratory disorder, 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.
