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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Chronic Obstructive Pulmonary Disease And Allied Conditions 490-496 > ICD-9-CM Diagnosis 495 Extrinsic allergic alveolitis Conditions in which inhalation of organic dusts results in hypersensitivity reactions at the alveolar level, associated with the production of precipitins. 495 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 495.0 Farmers' lung Systemic and pulmonary reactions resulting from inhalation of dust from moldy hay, threshing dust, or moldy straw, by persons who have become hypersensitive to antigens in the dust. It is most often associated with inhalation of spores of Micromonospora faeni or Thermoactinomyces vulgaris. (From Dorland, 27th ed) 495.0 is a specific code that can be used to specify a diagnosis 495.0 contains 5 index entries ICD-9-CM Diagnosis 495.1 Bagassosis 495.1 is a specific code that can be used to specify a diagnosis 495.1 contains 3 index entries ICD-9-CM Diagnosis 495.2 Bird-fanciers' lung A respiratory disorder due to an acquired hypersensitivity to the dust of bird droppings. 495.2 is a specific code that can be used to specify a diagnosis 495.2 contains 7 index entries ICD-9-CM Diagnosis 495.3 Suberosis 495.3 is a specific code that can be used to specify a diagnosis 495.3 contains 3 index entries ICD-9-CM Diagnosis 495.4 Malt workers' lung 495.4 is a specific code that can be used to specify a diagnosis 495.4 contains 3 index entries ICD-9-CM Diagnosis 495.5 Mushroom workers' lung 495.5 is a specific code that can be used to specify a diagnosis 495.5 contains 3 index entries ICD-9-CM Diagnosis 495.6 Maple bark-strippers' lung 495.6 is a specific code that can be used to specify a diagnosis 495.6 contains 5 index entries ICD-9-CM Diagnosis 495.7 'ventilation' pneumonitis 495.7 is a specific code that can be used to specify a diagnosis 495.7 contains 3 index entries ICD-9-CM Diagnosis 495.8 Other specified allergic alveolitis and pneumonitis 495.8 is a specific code that can be used to specify a diagnosis 495.8 contains 18 index entries ICD-9-CM Diagnosis 495.9 Unspecified allergic alveolitis and pneumonitis Conditions in which inhalation of organic dusts results in hypersensitivity reactions at the alveolar level, associated with the production of precipitins. 495.9 is a specific code that can be used to specify a diagnosis 495.9 contains 7 index entries