Hypersensitivity pneumonitis

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Hypersensitivity pneumonitis

ORPHA:31740Disease

Also called Extrinsic allergic alveolitis

What it is

A rare, immunologically mediated, interstitial lung disease characterized by respiratory symptoms (cough, dyspnea) due to sensitization and subsequent hypersensitivity to environmental antigens. The disorder may be accompanied by systemic manifestations (weight loss, fatigue).

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Disease

Genes reported in subtypes

MUC5B

Orphanet records this gene on 1 more specific entry under this disorder, not on this entry itself:

A well-studied disease is usually split into subtypes, and the gene is curated on whichever one the evidence belongs to. Open a subtype to see which gene goes with it.

ICD-10 codes

J67.8filed under a broader ICD-10 category

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

GARD 12MEDDRA 10081988MESH D000542MONDO 0017853OMIM 145300UMLS C0002390

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.