raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:42738

Severe congenital neutropenia

Type
Clinical group
Group
Group of disorders
Inheritance
Autosomal dominant, Autosomal recessive, X-linked recessive
Age of onset
Childhood
Status
active

A rare primary immunodeficiency, without an associated lymphocyte deficit, characterized by impaired neutrophil maturation and/or function, associated with severe infections, diverse comorbidities, and/or an increased risk of leukemic transformation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSevere congenital neutropenia
frNeutropénie congénitale sévère
deNeutropenie, kongenitale schwere
esNeutropenia congénita grave
itNeutropenia congenita grave
nlErnstige congenitale neutropenie
ptNeutropenia congénita
plCiężka wrodzona neutropenia
csTěžká vrozená neutropenie, typ 3Kostmannova choroba
ukТяжка вроджена нейтропенія
zh重型先天性中性白细胞减少症
trAğır doğumsal nötropeni

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
MONDO0018542Evalidated
MONDO18542Evalidated
UMLSC1853118Evalidated
GARD13592Evalidated
MedDRA10052210Evalidated

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):

Children (3):

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

8 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.4 / 100 000EuropeValue and classValidated[EXPERT]
Point prevalence1-9 / 1 000 0000.4 / 100 000EuropeValue and classValidated[EXPERT]
Point prevalence<1 / 1 000 0000.07 / 100 000WorldwideValue and classNot yet validated12555210[PMID]
Prevalence at birth1-9 / 100 0001 / 100 000SwedenValue and classValidated22624626[PMID]
Point prevalence1-9 / 1 000 000—SwedenClass onlyNot yet validated22624626[PMID]
Point prevalence1-9 / 1 000 0000.6 / 100 000FranceValue and classValidated20399414[PMID]
Point prevalence<1 / 1 000 0000.077 / 100 000Iran, Islamic Republic ofValue and classValidated17024564[PMID]
Point prevalence1-5 / 10 00025.7 / 100 000ChinaValue and classValidated34103049[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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card