raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99989

Intermediate DEND syndrome

Synonyms: Developmental delay-epilepsy-neonatal diabetes syndrome, intermediate form

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, Not applicable
Age of onset
Infancy, Neonatal
Status
active

A rare genetic neonatal diabetes mellitus syndrome characterized by neonatal insulin-dependent diabetes mellitus, mild motor, speech or cognitive delay, and absence of epilepsy. Is it a less severe form of DEND syndrome.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIntermediate DEND syndromeDevelopmental delay-epilepsy-neonatal diabetes syndrome, intermediate form
frSyndrome DEND intermédiaireSyndrome de retard de développement-épilepsie-diabète néonatal, forme intermédiaire
deIntermediäres DEND-SyndromEntwicklungsverzögerung-Epilepsie-neonataler Diabetes-Syndrom, intermediäre Form
esSíndrome intermedio DENDSíndrome de retraso del crecimiento-epilepsia-diabetes neonatal, forma intermedia
itSindrome DEND intermediaSindrome ritardo dello sviluppo-epilessia-diabete neonatale, forma intermedia
nlIntermediair DEND-syndroomOntwikkelingsachterstand - epilepsie - neonatale diabetes-syndroom, intermediaire vorm
ptSíndrome DEND intermédio
plPośredni zespół DENDZespół opóźnienia w rozwoju, padaczki i cukrzycy noworodków, postać pośrednia
csStředně závažný DEND syndromStředně závažná forma syndromu zahrnujícího opožděný vývoj, epilepsii a novorozenecký diabetes
ukПомірно виражений синдром DENDСиндром затримки розвитку-епілепсія-неонатальний діабет, проміжна форма
zh中度DEND综合征中间型发育迟缓-癫痫-新生儿糖尿病综合征
trOrta düzey DEND sendromuGelişme geriliği-epilepsi-yenidoğan diyabet sendromu, ara form

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10P70.2NTBTattributedvalidated
ICD-11KB60.2YNTBTattributedvalidated
MONDO0020569Evalidated
UMLSC5680423Evalidated

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
KCNJ11Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:6257ENSG0000018748660093711p15.1potassium inwardly rectifying channel subfamily J member 11
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