raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:295002

Isolated hyperphalangy

Synonyms: Isolated congenital supernumerary phalanges · Supernumerary phalanx

Type
Morphological anomaly
Group
Disorder
Status
active

Hyperphalangy is a congenital, non-syndromic limb malformation characterized by the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hypherphalangy is almost always bilateral and patients present no more than five digits and no other skeletal anomalies.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated hyperphalangyIsolated congenital supernumerary phalanges · Supernumerary phalanx
frHyperphalangie isoléePhalange surnuméraire congénitale isolée
deHyperphalangie, isolierteIsolierte angeborene überzählige Phalangen · Isoliertes überzähliges Finger-/Zehenglied
esHiperfalangia aisladaFalange supernumeraria · Falanges supernumerarias congénitas aisladas
itIperfalangia isolataFalange soprannumeraria · Falangi congenite isolate soprannumerarie
nlGeïsoleerde hyperfalangieGeïsoleerde congenitale overtallige falangen · Geïsoleerde congenitale surnumeraire falangen · Surnumeraire falanx
ptHiperfalangismo isoladoFalange supernumerária isolada congénita · Falanges supernumerárias
plPaliczki dodatkowePaliczek dodatkowy · Paliczki dodatkowe · Izolowana hiperfalangia
csHyperfalangieNadpočetné články prstů · Nadpočetný článek prstu
ukІзольована гіперфалангіяІзольовані вроджені додаткові фаланги · Додаткова фаланга
zh多指/趾多指/趾骨
trHiperfalanjiSüpernümerari falanks · Süpernümerari falankslar

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q74.8NTBTattributedvalidated
ICD-11LB77Especificvalidated
MONDO0017455Evalidated
UMLSC4706507Evalidated

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 (1):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

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

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Sources for this card