raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:314373

Chronic infantile diarrhea due to guanylate cyclase 2C overactivity

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A rare, genetic, intestinal disease characterized by early-onset, chronic diarrhea and intestinal inflammation due to overactivity of guanylate cyclase 2C. Additional manifestations include meteorism, dehydration, metabolic acidosis and electrolyte disturbances. Intestinal dysmotility, small-bowel obstruction and esophagitis (with or without esophageal hernia), as well as irritable bowel syndrome (without severe abdominal pain) and Crohn's disease, are frequently associated.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enChronic infantile diarrhea due to guanylate cyclase 2C overactivity
frDiarrhée chronique infantile par hyperactivité de la guanylate cyclase 2C
deDiarrhoe, chronische, infantile, durch Guanylatcyclase 2C-Überaktivität
esDiarrea crónica infantil por hiperactividad de la guanilato-ciclasa 2C
itDiarrea cronica infantile da iperattività della guanilato ciclasi 2C
nlChronische infantiele diarree door guanylaatcyclase 2C-overactiviteit
ptDiarreia crónica da infância por hiperatividade da guanilato ciclase 2C
plPrzewlekła biegunka wieku dziecięcego z powodu nadaktywności cyklazy guanylatowej 2C
csChronický průjem způsobený zvýšenou aktivitou guanylátcyklázy 2C
ukХронічна інфантильна діарея внаслідок гіперактивності гуанілатциклази 2С
zh鸟苷酸环化酶2C亢进慢性婴儿腹泻
trGuanilat siklaz 2C aşırı aktivitesinden kaynaklanan kronik infantil diyare

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM614616Evalidated
ICD-10P78.3NTBTattributedvalidated
ICD-11DA90.YNTBTattributedvalidated
MONDO0013825Evalidated
UMLSC5191644Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GUCY2CDisease-causing germline mutation(s) inAssessedHGNC:4688ENSG0000007001960133012p12.3guanylate cyclase 2C22436048[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families32 casesWorldwideCase(s)Validated22436048[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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.

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Sources for this card