raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:178396

Hemorrhagic disease due to alpha-1-antitrypsin Pittsburgh mutation

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Adolescent
Status
active

A rare, genetic, constitutional coagulation factor defect disorder characterized by a bleeding tendancy of variable severity due to methionine 358 to arginine replacement (Pittsburgh mutation) in the alpha-1-antitrypsin protein. Patients present with spontaneous hematomas, hematomas following minor trauma or surgery and, in female patients, ovarian hematomas after ovulation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHemorrhagic disease due to alpha-1-antitrypsin Pittsburgh mutation
frHémorragie due à la mutation Pittsburgh de l'alpha-1-antitrypsine
deHämorrhagische Krankheit durch Alpha-1-Antitrypsin Pittsburgh-Mutation
esEnfermedad hemorrágica por una mutación Pittsburgh en alfa 1-antitripsina
itMalattia emorragica da mutazione di alfa-1 antitripsina Pittsburgh
nlHemorragische ziekte door Pittsburgh-mutatie in alfa-1-antitrypsine
ptDoença hemorrágica por mutação de Pittsburg na alfa-1 antitripsina
plChoroba krwotoczna z powodu mutacji Pittsburgh alfa-1-antytrypsyny
csKrvácivá porucha způsobená Pittsburgskou mutací alfa-1-antitrypsinu
ukГеморагічна хвороба, спричинена мутацією альфа-1-антитрипсину Піттсбурга
zhα1-抗胰蛋白酶匹茨堡突变所致出血性疾病
trAlfa-1-antitripsin Pittsburgh mutasyonuna bağlı hemorajik hastalık

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613490NTBTvalidated
ICD-10D68.8NTBTattributedvalidated
ICD-115C5ANTBTindexvalidated
MONDO0015801Evalidated
UMLSC5190706Evalidated

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):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SERPINA1Disease-causing germline mutation(s) inAssessedHGNC:8941ENSG0000019724910740014q32.13serpin family A member 119483159[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated19483159[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_19483159[PMID]

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