ICD-10-CM 2027
ICD-10 code for lung cicatrix
From the official ICD-10-CM alphabetic index entry “Cicatrix (adherent) (contracted) (painful) (vicious) › lung”. Page updated September 29, 2026.
About coding lung cicatrix
The ICD-10-CM code for lung cicatrix is J98.4 (Other disorders of lung).
Within J98, choose J98.4 (Other disorders of lung) only when documentation doesn't support a more specific option: diseases of bronchus, not elsewhere classified (J98.0), pulmonary collapse (J98.1), interstitial emphysema (J98.2), Compensatory emphysema (J98.3), 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 J98.4 together with the conditions in its Excludes1 note: acute interstitial pneumonitis (J84.114) and pulmonary insufficiency following surgery (J95.1-J95.2).
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.
Don't confuse with (Excludes1 for J98.4)
Common questions about lung cicatrix ICD-10 codes
What is the ICD-10 code for lung cicatrix?
- J98.4 — Other disorders of lung.
Is J98.4 billable?
- Yes. J98.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J98.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J98.4 as a principal diagnosis.
Is J98.4 a CC or MCC?
- No. J98.4 is neither a CC nor an MCC under MS-DRG v44.0.