ICD 9 CM Codes

500 Coal workers' pneumoconiosis
501 Asbestosis
502 Pneumoconiosis due to other silica or silicates
503 Pneumoconiosis due to other inorganic dust
504 Pneumonopathy due to inhalation of other dust
505 Pneumoconiosis, unspecified
506 Respiratory conditions due to chemical fumes and vapors
507 Pneumonitis due to solids and liquids
508 Respiratory conditions due to other and unspecified external agents