2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Chronic Obstructive Pulmonary Disease And Allied Conditions 490-496 > Extrinsic Allergic Alveolitis 495.* >
 2007 ICD-9-CM Diagnosis 495.9
Unspecified allergic alveolitis and pneumonitis On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 495.9 can be accessed here. - 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
- View the ICD-9-CM Volume 1 495.* hierarchy
495.9 also known as:- Alveolitis, allergic (extrinsic)
- Hypersensitivity pneumonitis
Index entries containing 495.9:- Allergy, allergic (reaction) 995.3
- alveolitis (extrinsic)
 495.9- due to
- Aspergillus clavatus 495.4
- cryptostroma corticale 495.6
- organisms (fungal, thermophilic actinomycete, other) growing in ventilation (air conditioning systems) 495.7
- specified type NEC 495.8
Alveolitis- allergic (extrinsic) 495.9
- due to organisms (fungal, thermophilic actinomycete, other) growing in ventilation (air conditioning systems) 495.7
- specified type NEC 495.8
Disease, diseased - see also Syndrome- lung NEC 518.89
- obstructive (chronic) (COPD) 496
- with
- alveolitis, allergic (see also Alveolitis, allergic) 495.9
Hypersensitive, hypersensitiveness, hypersensitivity - see also Allergy- pneumonitis NEC 495.9
Obstruction, obstructed, obstructive- airway NEC 519.8
- with
- allergic alveolitis NEC 495.9
Pneumonitis (acute) (primary) (see also Pneumonia) 486- allergic 495.9
- hypersensitivity 495.9
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