raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:973

Isolated absence/hypoplasia of fingers excluding thumb, unilateral

Synonyms: Isolated congenital adactyly of hand, unilateral · Isolated digits 2-5 hypodactyly, unilateral · Isolated digits 2-5 oligodactyly, unilateral

Type
Morphological anomaly
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Antenatal, Neonatal
Status
active

Congenital absence/hypoplasia of fingers excluding thumb, unilateral is a rare, non-syndromic, terminal transverse limb reduction defect characterized by unilateral absence of the terminal portions of digits 2 to 5, with a mildly hypoplastic thumb and small nail remnants on the digital stumps. Metacarpal bones may be variably reduced.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated absence/hypoplasia of fingers excluding thumb, unilateralIsolated congenital adactyly of hand, unilateral · Isolated digits 2-5 hypodactyly, unilateral · Isolated digits 2-5 oligodactyly, unilateral
frAbsence/hypoplasie isolée unilatérale des doigts à l'exception du pouceAdactylie congénitale isolée unilatérale de la main · Hypodactylie congénitale isolée unilatérale des doigts 2-5 · Oligodactylie congénitale isolée unilatérale des doigts 2-5
deIsolierte unilaterale Fingeraplasie/-hypoplasie, excl. DaumenIsolierte kongenitale Adaktylie der Hand, unilateral · Isolierte unilaterale Hypodaktylie der Phalangen 2-5 · Isoliertes unilaterales Fehlen der Phalangen 2-5
esAusencia/hipoplasia aislada de los dedos de la mano a excepción del pulgar, unilateralAdactilia congénita de la mano aislada, unilateral · Hipodactilia aislada de los dedos 2-5, unilateral · Oligodactilia aislada de los dedos 2-5, unilateral
itAplasia/ipoplasia isolata monolaterale delle dita delle mani ad esclusione del polliceAdattilia congenita monolaterale isolata della mano · Adattilia unilaterale della mano · Ipodattilia unilaterale delle dita della mano 2-5 · Oligodattilia unilaterale delle dita della mano 2-5
nlGeïsoleerde afwezigheid/hypoplasie van vingers exclusief duim, unilateraalGeïsoleerde congenitale adactylie van hand, unilateraal · Geïsoleerde hypodactylie van vingers 2-5, unilateraal · Geïsoleerde oligodactylie van vingers 2-5, unilateraal
ptAusência isolada/hipoplasia dos dedos excluindo o polegar, unilateralAdactilia congénita isolada da mão, unilateral · Hipoactilia isolada dos dedos 2-5, unilateral · Oligodactilia isolada dos dedos 2-5, unilateral
plWrodzony jednostronny brak/niedorozwój palców z wyjątkiem kciukaAdaktylia dłoni, jednostronna · Hipodaktylia palców 2-5, jednostronna · Oligodaktylia palców 2-5, jednostronna · Izolowany brak/hipoplazja palców z wyjątkiem kciuka, jednostronna
csUnilaterální vrozená absence/hypoplázie prstů kromě palcůAdaktylie ruky, unilaterální · Unilaterální hypodaktylie prstů 2-5 · Unilaterální oligodaktylie prstů 2-5
ukІзольована відсутність/гіпоплазія пальців, крім великого, односторонняІзольована вроджена адактилія кисті, одностороння · Ізольована гіподактилія 2-5 пальців, одностороння · Олігодактилія ізольованих пальців 2-5, одностороння
zh先天性除拇指外单侧手指缺如/发育不全第2-5指少指畸形,单侧
trDoğumsal yokluk/baş parmak hariç parmakların tek taraflı hipoplazisiAdaktili el, unilateral · 2-5 rakamlar hipodaktili, unilateral · 2-5 rakamları oligodaktili, unilateral

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM102650Evalidated
ICD-10Q71.3NTBTattributedvalidated
ICD-11LB99.7NTBTindexvalidated
MONDO0007062Evalidated
MONDO7062Evalidated
MeSHC562417Evalidated
UMLSC5924999Evalidated
GARD377Evalidated

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.

4

Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 familiesWorldwideFamily(ies)Validated3725479[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_3725479[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

5 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005916Abnormal metacarpal morphology
HP:0009988Duplication of the distal phalanx of the 5th finger
HP:0010049Short metacarpal
HP:0001799Short nail
HP:0009778Short thumb

Run the differential on the 5 obligate / very frequent terms

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Sources for this card