J98.4
ICD-10BillableOther disorders of lung
Official ICD-10-CM descriptor (FY2026)
Other disorders of lung
J98.4 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Calcification of lung
- Cystic lung disease (acquired)
- Lung disease NOS
- Pulmolithiasis
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- acute interstitial pneumonitis (J84.114)
- pulmonary insufficiency following surgery (J95.1-J95.2)
Related codes in J98
- J98.0Diseases of bronchus, not elsewhere classifiedcategory
- J98.1Pulmonary collapsecategory
- J98.2Interstitial emphysema
- J98.3Compensatory emphysema
- J98.5Diseases of mediastinum, not elsewhere classifiedcategory
- J98.6Disorders of diaphragm
- J98.8Other specified respiratory disorders
- J98.9Respiratory disorder, unspecified
Where this code sits
- Parent code
- J98
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.