raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2295

Familial articular hypermobility syndrome

Synonyms: Familial joint instability syndrome · Familial joint laxity · Joint instability syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Childhood, Infancy
Status
active

A rare genetic disease characterized by generalized joint laxity leading to recurrent dislocation of major joints, such as the hip (often with congenital hip dislocation), shoulder, elbow, or patella. Patients often experience muscle and joint pain (sometimes with effusion) and may develop degenerative joint changes at a relatively early age. Skin abnormalities are absent.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial articular hypermobility syndromeFamilial joint instability syndrome · Familial joint laxity · Joint instability syndrome
frSyndrome d'hypermobilité articulaire familialeHyperlaxité articulaire familiale · Syndrome d'instabilité articulaire · Syndrome d'instabilité articulaire familiale
deGelenkhypermobilitäts-Syndrom, familiäresGelenkinstabilitäts-Syndrom, familiäres · Gelenklaxität, familiäre
esSíndrome de hipermovilidad articular familiarLaxitud articular familiar · Síndrome de inestabilidad articular · Síndrome de inestabilidad articular familiar
itSindrome familiare da ipermobilità articolareEDS 11 · Lassità articolare familiare · Sindrome da instabilità articolare · Sindrome familiare da instabilità articolare
nlFamiliaal gewrichtshypermobiliteitssyndroomFamiliaal gewrichtsinstabiliteitssyndroom · Familiale gewrichtslaxiteit · Gewrichtsinstabiliteitssyndroom
ptSíndrome de hipermobilidade articular familiarEDS XI · Hipermobilidade articular familiar · Síndrome Ehlers-Danlos tipo 11 · Síndrome de instabilidade articular familiar
plZespół Ehlersa i Danlosa typu 11EDS XI · Rodzinna luźność stawów · Zespół niestabilności stawów · Zespół rodzinnej niestabilności stawów
csEhlersův-Danlosův syndrom, typ 11EDS XI · Syndrom familiární nestability kloubů · Familiární laxita kloubů · Syndrom nestability kloubů · Ehlers-Danlosův syndrom, typ 11
ukСімейний синдром гіпермобільності суглобівСімейний синдром нестабільності суглобів · Сімейна розхитаність суглобів · Синдром нестабільності суглобів
zh家族遗传性关节运动过度综合征家族性关节不稳定综合征
trailesel artiküler hipermobilite sendromuAilesel eklem gevşekliği · Eklem instabilitesi sendromu · Ailesel eklem instabilitesi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM147900Evalidated
ICD-10Q79.6NTBTattributedvalidated
ICD-11LD28.YNTBTindexvalidated
MONDO0007842Evalidated
MeSHC535884Evalidated
UMLSC0268349Evalidated
GARD3054Evalidated

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

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (5):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

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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.

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HPO phenotypes

8 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001374Congenital hip dislocation
HP:0001382Joint hypermobility
HP:0002999Patellar dislocation
Frequent (79-30%)
HP:0002815Abnormality of the knee
Occasional (29-5%)
HP:0002823Abnormality of femur morphology
HP:0009811Abnormality of the elbow
HP:0000023Inguinal hernia
HP:0003834Shoulder dislocation

Run the differential on the 3 obligate / very frequent terms

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Sources for this card