extrinsic allergic alveolitis: An inflammatory interstitial lung disease caused by hypersensitivity reaction to inhalation or ingestion of antigens. The antigens are usually related to the patient's occupation. It can present as an acute illness with flu-like symptoms, subacute with repeated episodes of pneumonia, or chronic with dyspnea and productive cough. The majority of patients recover following the cessation of the exposure to the antigen that causes the disease. Chronic exposure may eventually progress to interstitial lung fibrosis.
| Name | J10_HYPERSPNEUMONI |
|---|---|
| Long name | Hypersensitivity pneumonitis due to organic dust |
| Hospital Discharge registry | ICD-10: J67, ICD-9: 495 |
| Cause of Death registry | ICD-10: J67, ICD-9: 495 |
| Level in the ICD-hierarchy | 3 |
| First defined in version | DF2 |
| Latin name | Pneumonitis/alveolitis hypersensitiva e pulvere organico |
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 244 | 129 | 115 |
| Unadjusted prevalence (%) | 0.11 | 0.11 | 0.12 |
| Mean age at first event (years) | 45.55 | 45.86 | 45.21 |
| Case fatality at 5-years (%) | 1.64 | 1.55 | 1.74 |
| All | Female | Male | |
|---|---|---|---|
| Median nb. of events per indiv. | 1.0 | 1.0 | 2.0 |
| Recurrence at 6 months (%) | 43.85 | 42.64 | 45.22 |
before Hypersensitivity pneumonitis due to organic dust
after Hypersensitivity pneumonitis due to organic dust
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