raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:177929

Bleeding disorder in hemophilia B carriers

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
X-linked recessive
Status
active

A rare bleeding disorder in association with carrier mutations in the <i>F9</i> gene (Xq27.1) encoding coagulation factor IX (FIX), with a biological activity of FIX &#8805;40 IU/dL and characterized clinically by abnormal bleeding as a result of minor injuries or following trauma, surgery or tooth extraction. Spontaneous hemorrhages may occur occasionally. Heavy menstrual bleeding is the most frequent type of bleed in the carriers.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enBleeding disorder in hemophilia B carriers
frMaladie hémorragique des porteurs d'hémophilie B
deSymptomatische Form der Hämophilie B bei weiblichen AnlageträgerinnenBlutungsstörung bei Anlageträgerinnen der Hämophilie B
esTrastorno de sangrado en portadores de hemofilia B
itMalattia emorragica nelle portatrici di emofilia B
nlStollingsstoornis bij dragers van hemofilie B
ptDoença hemorrágica em portador hemofilia B
plObjawowa forma hemofilii B u kobiet nosicielekKrwawienie u nosicieli hemofilii B
csPorucha krvácení u nositelů hemofilie B
ukПорушення згортання крові у носіїв гемофілії В
zh女性B型血友病携带者症候
trKadın taşıyıcılarda hemofili B'nin semptomatik formuBleeding disorder in hemophilia B carriers without Factor IX deficiency · Symptomatic form of hemophilia B in female carriers

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM306900NTBTvalidated
ICD-10D67NTBTattributedvalidated
ICD-113B11.0NTBTindexvalidated
UMLSC5680505Evalidated

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 (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
F9Disease-causing germline mutation(s) inAssessedHGNC:3551ENSG00000101981300746Xq27.1coagulation factor IX
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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