raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:700325

NKAP-related intellectual disability-facial dysmorphism-marfanoid habitus-scoliosis syndrome

Synonyms: X-linked syndromic intellectual developmental disorder, Hackmann-Di Donato type

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked recessive
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enNKAP-related intellectual disability-facial dysmorphism-marfanoid habitus-scoliosis syndromeX-linked syndromic intellectual developmental disorder, Hackmann-Di Donato type
frSyndrome de déficience intellectuelle-dysmorphie facial-habitus marfanoïde-scoliose associé à NKAP
deIntelligenzminderung-Gesichtsdysmorphien-marfanoider Habitus-Skoliose-Syndrom, NKAP-assoziiertX-chromosomale syndromale intellektuelle Entwicklungsstörung, Typ Hackmann-Di Donato
esSíndrome de discapacidad intelectual-dismorfia facial-hábito marfanoide-escoliosis asociado a NKAPTrastorno sindrómico del desarrollo intelectual ligado al cromosoma X, tipo Hackmann-Di Donato
itSindrome disabilità intellettiva-dismorfismi facciali-habitus marfanoide-scoliosi correlata a NKAPMalattia sindromica dello sviluppo intellettivo legata all'X, tipo Hackmann-Di Donato
nlNKAP-gerelateerd intellectuele achterstand - faciale dysmorfie - marfanoïde habitus - scoliose-syndroomX-gebonden syndromale intellectuele ontwikkelingsstoornis, Hackmann-Di Donato-type
ptNKAP-related intellectual disability-facial dysmorphism-marfanoid habitus-scoliosis syndrome
plNKAP-related intellectual disability-facial dysmorphism-marfanoid habitus-scoliosis syndrome= en
csNKAP-related intellectual disability-facial dysmorphism-marfanoid habitus-scoliosis syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM301039Evalidated
ICD-10Q87.8NTBTattributedvalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NKAPDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:29873ENSG00000101882300766Xq24NFKB activating protein31587868[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families12 casesWorldwideCase(s)Validated31587868[PMID]_38647244[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated31587868[PMID]_38647244[PMID]_ORPHANET

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