ICD-10-CM 2027
ICD-10 code for interstitial emphysema
From the official ICD-10-CM alphabetic index entry “Emphysema (atrophic) (bullous) (chronic) (interlobular) (lung) (obstructive) (pulmonary) (senile) (vesicular) › interstitial”. Page updated September 29, 2026.
About coding interstitial emphysema
The ICD-10-CM code for interstitial emphysema is J98.2 (Interstitial emphysema). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on J98.2.
Within J98 (other respiratory disorders), J98.2 is specifically for interstitial emphysema. Related codes cover diseases of bronchus, not elsewhere classified (J98.0), pulmonary collapse (J98.1), Compensatory emphysema (J98.3), other disorders of lung (J98.4), diseases of mediastinum, not elsewhere classified (J98.5), disorders of diaphragm (J98.6), other specified respiratory disorders (J98.8) and respiratory disorder, unspecified (J98.9).
Don't report J98.2 together with the conditions in its Excludes1 note: emphysema NOS (J43.9), emphysema in newborn (P25.0), surgical emphysema (subcutaneous) (T81.82) and traumatic subcutaneous emphysema (T79.7).
Use an additional code to identify: exposure to environmental tobacco smoke (Z77.22), exposure to tobacco smoke in the perinatal period (P96.81), history of tobacco dependence (Z87.891), occupational exposure to environmental tobacco smoke (Z57.31), tobacco dependence (F17.-) and 1 more.
More specific interstitial emphysema codes (official index)
Don't confuse with (Excludes1 for J98.2)
Common questions about interstitial emphysema ICD-10 codes
What is the ICD-10 code for interstitial emphysema?
- J98.2 — Interstitial emphysema. More specific codes apply when the documentation supports them: P25.0, P25.0.
What is the ICD-10 code for congenital interstitial emphysema?
- P25.0 — Interstitial emphysema originating in the perinatal period.
What is the ICD-10 code for perinatal period interstitial emphysema?
- P25.0 — Interstitial emphysema originating in the perinatal period.
Is J98.2 billable?
- Yes. J98.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J98.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J98.2 as a principal diagnosis.
Is J98.2 a CC or MCC?
- No. J98.2 is neither a CC nor an MCC under MS-DRG v44.0.