2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Pneumoconioses And Other Lung Diseases Due To External Agents 500-508 > ICD-9-CM Diagnosis 507 Pneumonitis due to solids and liquids 507 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 507.0 Pneumonitis due to inhalation of food or vomitus A type of pneumonia resulting from the aspiration of food, liquid, or gastric contents into the upper respiratory tract. 507.0 is a specific code that can be used to specify a diagnosis 507.0 contains 18 index entries ICD-9-CM Diagnosis 507.1 Pneumonitis due to inhalation of oils and essences Pneumonia due to aspiration or inhalation of various oily or fatty substances. 507.1 is a specific code that can be used to specify a diagnosis 507.1 contains 5 index entries ICD-9-CM Diagnosis 507.8 Pneumonitis due to other solids and liquids 507.8 is a specific code that can be used to specify a diagnosis 507.8 contains 5 index entries