raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:294975

Isolated absence of upper arm and forearm with hand present

Synonyms: Isolated congenital humero-radio-ulnar intercalary transverse meromelia

Type
Morphological anomaly
Group
Disorder
Age of onset
Infancy, Neonatal
Status
active

A rare congenital limb malformation characterized by absence or marked shortening of the proximal to mid portion of an upper limb, while the hand is normal or nearly normal. The condition may be unilateral or bilateral, and occur sporadically or as part of a malformation syndrome.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated absence of upper arm and forearm with hand presentIsolated congenital humero-radio-ulnar intercalary transverse meromelia
frAbsence isolée du bras et de l'avant-bras avec main conservéeMéromélie intercalaire transverse huméro-radio-cubitale isolée · Méromélie intercalaire transverse huméro-radio-ulnaire isolée
deIsoliertes Fehlen von Ober- und Unterarm bei vorhandener HandIsolierte kongenitale humero-radioulnare interkalartransverse Meromelie
esAusencia aislada de la parte superior del brazo y el antebrazo con presencia de la manoMeromelia intercalar transversa húmero-radio-cubital congénita aislada
itAplasia isolata del braccio e dell'avambraccio con presenza della manoMeromelia omero-radio-ulnare trasversale intercalare congenita isolata
nlGeïsoleerde congenitale afwezigheid van bovenarm en onderarm met hand aanwezigGeïsoleerde humeroradio-ulnaire intercalaire transversale meromelie
ptAusência isolada do braço e antebraço com mão presenteMeromelia intercalar transversa úmero-radio-ulnar isolada congénita
plIzolowany brak ramienia i przedramienia przy obecności rękiFokomelia
csVrozené chybění nadloktí a předloktí s přítomností rukyHumero-radio-ulnární interkalární transverzální meromelie · Fokomelie horní končetiny
ukІзольована відсутність плеча та передпліччя при наявності кистіІзольована вроджена гумеро-радіо-ульнарна інтеркалярна поперечна меромелія
zh先天性上臂和前臂缺失并有手部存在肱-桡-尺骨干横贯残肢畸形
trDoğumsal el mevcutken üst kol ve ön kol yokluğuHumero-radioulnar interkalar transvers meromeli

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q71.1Especificvalidated
ICD-11LB99.4Especificvalidated
MONDO0017441Evalidated
UMLSC5925022Evalidated
GARD12123Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.62 / 100 000WorldwideValue and classValidated22002800[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_22002800[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

18 annotations · validated 2021-05-04
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0009813Upper limb phocomelia
Occasional (29-5%)
HP:0001671Abnormal cardiac septum morphology
HP:0001627Abnormal heart morphology
HP:0000765Abnormal thorax morphology
HP:0000271Abnormality of the face
HP:0033127Abnormality of the musculoskeletal system
HP:0000464Abnormality of the neck
HP:0000925Abnormality of the vertebral column
HP:0000987Atypical scarring of skin
HP:0003826Stillbirth
Very rare (<4-1%)
HP:0002088Abnormal lung morphology
HP:0003272Abnormality of the hip bone
HP:0000175Cleft palate
HP:0011603Congenital malformation of the great arteries
HP:0010442Polydactyly
HP:0000104Renal agenesis
HP:0001518Small for gestational age
HP:0001159Syndactyly

Run the differential on the 1 obligate / very frequent terms

Annotation source: 3890511[PMID]_22002800[PMID]

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Sources for this card