raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:268936

Isolated arhinencephaly

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

Isolated arhinencephaly is a rare non-syndromic central nervous system malformation defined by the agenesis of the olfactory bulbs and tracts and characterized by complete congenital anosmia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated arhinencephaly
frArhinencéphalie isolée
deArhinenzephalie, isolierte
esArrinencefalia aislada
itArinencefalia isolata
nlGeïsoleerde arhinencefalie
ptArrinencefalia isolada
plIzolowana arinencefalia
csIzolovaná arinencefalie
ukІзольована аріненцефалія
zh无嗅脑畸形
trİzole arinensefali

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q04.1Especificvalidated
ICD-11LA05.4Especificvalidated
MONDO0968959Evalidated
MONDO968959Evalidated
UMLSC4749732Evalidated

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

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

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

7

Sources for this card