raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:431341

Patent urachus

Type
Morphological anomaly
Group
Disorder
Inheritance
Not applicable
Age of onset
Neonatal
Status
active

Patent urachus is a type of congenital urachal anomaly characterized by a persistent communication between the bladder and the umbilicus, secondary to non occlusion of the urachal lumen, manifesting as clear drainage from the umbilicus.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPatent urachus
frFistule de l'ouraque
deOffener UrachusOffener Ductus Urachus
esUraco persistente
itPervietà dell'uraco
nlPersisterende urachus
ptÚraco permeável
plPrzetrwały moczownik
csUrachus patens
ukВідкритий урахус
zh开放性脐尿管
trPatent urakus

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q64.4NTBTinclusionvalidated
ICD-11LB03.0NTBTindexvalidated
MONDO0018551Evalidated
UMLSC0266357Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0001.75 / 100 000United StatesValue and classValidated3404578[PMID]
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

10 annotations · validated 2023-09-26
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010881Abnormality of the umbilical cord
HP:0010479Patent urachus
Frequent (79-30%)
HP:0002027Abdominal pain
HP:0100645Cystocele
HP:0034267Pelvic pain
HP:0000010Recurrent urinary tract infections
HP:0012618Urachal cyst
Occasional (29-5%)
HP:0010957Congenital posterior urethral valve
HP:0032435Neonatal omphalitis
HP:0005420Recurrent gram-negative bacterial infections

Run the differential on the 2 obligate / very frequent terms

Annotation source: 32491655[PMID]_36363578[PMID]_33421441[PMID]

7

Sources for this card