raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:93321

Isolated radial hemimelia

Synonyms: Isolated congenital longitudinal deficiency of the radius · Isolated radial club hand · Isolated radial longitidinal meromelia · Isolated radial ray agenesis

Type
Morphological anomaly
Group
Disorder
Inheritance
Multigenic/multifactorial, X-linked recessive
Age of onset
Antenatal, Infancy, Neonatal
Status
active

A rare congenital limb malformation characterized by partial or total absence of the radius.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated radial hemimeliaIsolated congenital longitudinal deficiency of the radius · Isolated radial club hand · Isolated radial longitidinal meromelia · Isolated radial ray agenesis
frHémimélie radiale isoléeAgénésie du rayon radial isolée · Déficit isolé congénital longitudinal du radius · Main bote radiale isolée · Méromélie longitudinale radiale isolée
deHemimelie, isolierte radialeKlumphand, isolierte radiale · Kongenitale isolierte longitudinale Radiusdefizienz · Radiale isolierte longitudinale Meromelie · Radialstrahl-Agenesie, isolierte
esHemimelia radial aisladaAgenesia aislada del rayo radial · Deficiencia longitudinal congénita aislada del radio · Mano zamba radial aislada · Meromelia longitudinal radial aislada
itEmimelia radiale isolataAgenesia isolata del raggio radiale · Deficit longitudinale congenito isolato del radio · Mano torta radiale isolata · Meromelia radiale longitudinale isolata
nlGeïsoleerde hemimelie van radiusGeïsoleerde agenesie van radius · Geïsoleerde congenitale longitudinale deficiëntie van radius · Geïsoleerde hemimelie van spaakbeen · Geïsoleerde radiale klomphand · Geïsoleerde radiale longitudinale meromelie
ptHemimelia radial isoladaAgenésia radial isolada · Deficiência longitudinal do rádio isolada congénita · Meromelia cubital longitudinal isolada · Mão em taco radial isolada
plIzolowana hemimelia promieniowaPromieniowe końsko-szpotawe ustawienie ręki · Meromelia promieniowa podłużna · Wrodzone skrócenie podłużne kości promieniowej
csRadiální hemimelieVrozený longitudinální deficit radia · Radiální clubhand · Radiální longitudinální meromelie · Radiální paprskovitá ageneze
ukІзольована радіальна гемімеліяІзольована вроджена поздовжня вада променевої кістки · Ізольована радіальна ключка · Ізольована радіальна лонгітидинальна меромелія · Ізольована радіальна променева агенезія
zh桡侧半肢畸形先天性桡骨纵向缺失
trRadyal hemimeliRadyal yumru el · Radyal ışın agenezisi · Radyal longitidinal meromelia · Radiusun doğumsal longitudinal eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q71.4Especificvalidated
ICD-11LB99.2Especificvalidated
MONDO0019671Evalidated
UMLSC5925047Evalidated
GARD225Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LMBR1Disease-causing germline mutation(s) inAssessedHGNC:13243ENSG000001059836055227q36.3limb development membrane protein 126394607[PMID]
SHHDisease-causing germline mutation(s) inAssessedHGNC:10848ENSG000001646906007257q36.3sonic hedgehog signaling molecule26394607[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0002.5 / 100 000WorldwideValue and classValidated28669420[PMID]_34452798[PMID]_ORPHANET
Point prevalence1-9 / 100 000—WorldwideClass onlyValidated28669420[PMID]_34452798[PMID]_ORPHANET

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

6 annotations · validated 2019-06-03
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0006501Aplasia/Hypoplasia of the radiusDiagnostic criterion
Very frequent (99-80%)
HP:0001172Abnormal thumb morphology
HP:0004243Abnormality of the scaphoid
HP:0004252Abnormality of the trapezium
HP:0010035Aplasia of the 1st metacarpal
HP:0009484Deviation of the hand or of fingers of the hand

Run the differential on the 6 obligate / very frequent terms

Annotation source: 17105006[PMID]_5478898[PMID]

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Sources for this card