ICD-10-CM > J00-J99 > J80-J84 > J84 > J84.1 > J84.17 J84.17 Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere Non-Billable/Non-Specific Codes J84.170Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhereJ84.178Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere