raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:31740

Hypersensitivity pneumonitis

Synonyms: Extrinsic allergic alveolitis

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
All ages
Status
active

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).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypersensitivity pneumonitisExtrinsic allergic alveolitis
frAlvéolite allergique extrinsèqueAAE · Pneumopathie d'hypersensibilité
deExogen-allergische AlveolitisHypersensitivitätspneumonie
esNeumonitis por hipersensibilidadAlveolitis alérgica extrínseca
itPolmonite da ipersensibilitàAlveolite allergica estrinseca · HP
nlHypersensitiviteitspneumonitisExtrinsieke allergische alveolitis · Overgevoeligheidspneumonitis
ptPneumonite de hipersensibilidadeAlveolite alérgica extrínseca
plAlergiczne zapalenie pęcherzyków płucnychExtrinsic allergic alveolitis · HP
csHypersenzitivní pneumonitidaHP
ukГіперчутливий пневмонітЗовнішній алергічний альвеоліт
zh过敏性肺炎外源性过敏性肺泡炎
trHipersensitif pnömoniEkstrinsik alerjik alveolit

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM145300BTNTvalidated
ICD-10J67.8NTBTattributednot yet validated
ICD-11CA70Especificvalidated
MONDO0017853Evalidated
MeSHD000542Evalidated
UMLSC0002390Evalidated
GARD12Evalidated
MedDRA10081988Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

Children (2):

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct · 1 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MUC5BORPHA:686465Fibrotic hypersensitivity pneumonitisMajor susceptibility factor inAssessedHGNC:7516ENSG0000011798360077011p15.5mucin 5B, oligomeric mucus/gel-forming28648751[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card