raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1198

Colonic atresia

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

Colonic atresia is a congenital intestinal malformation resulting in a non-latent segment of the colon and characterized by lower intestinal obstruction manifesting with abdominal distention and failure to pass meconium in newborns.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enColonic atresia
frAtrésie du côlonAtrésie colique
deDickdarmatresieKolonatresie
esAtresia de colon
itAtresia del colon
nlColonatresie
ptAtresia do cólon
plAtrezja okrężnicy
csAtrézie tračníku
ukАтрезія товстої кишки
zh结肠闭锁
trKolon atrezisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM303650Evalidated
ICD-10Q42.9NTBTattributedvalidated
ICD-11LB16.0Especificvalidated
MONDO0010562Evalidated
MeSHC562562Evalidated
UMLSC0266190Evalidated
GARD1446Evalidated

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

4 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0005 / 100 000WorldwideValue and classValidated31891361[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET
Prevalence at birth1-9 / 100 0001.5 / 100 000United KingdomValue and classValidated2342005[PMID]
Prevalence at birth1-9 / 100 000—EuropeClass onlyValidatedORPHANET_2342005[PMID]_16080929[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

8 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010448Colonic atresia
HP:0004398Peptic ulcer
Frequent (79-30%)
HP:0100016Abnormality of mesentery morphology
HP:0100867Duodenal stenosis
Occasional (29-5%)
HP:0003270Abdominal distention
HP:0003363Abdominal situs inversus
HP:0001543Gastroschisis
HP:0001539Omphalocele

Run the differential on the 2 obligate / very frequent terms

7

Sources for this card