raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:647916

Conjoined twins

Synonyms: Siamese twins

Type
Malformation syndrome
Group
Disorder
Inheritance
Not applicable
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enConjoined twinsSiamese twins
frJumeaux siamoisJumeaux conjoints · Siamois
deSiamesische Zwillinge
esGemelos unidosGemelos siameses
itGemelli congiuntiGemelli siamesi
nlDubbelmonstrumSiamese tweeling
ptGémeos unidosGémeos siameses
plBliźnięta syjamskie= en
csSiamská dvojčata= en
ukЗрощені двійнятаСіамські близнюки
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q89.4Especificvalidated
ICD-11LD2GEspecificvalidated
MONDO0958083Evalidated
MONDO958083Evalidated
MeSHD014428Evalidated
UMLSC0041428Evalidated
MedDRA10010688Evalidated

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.

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.

7

Sources for this card