raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99844

Leukocyte adhesion deficiency type III

Synonyms: LAD-1 variant · LAD-III · Leukocyte adhesion deficiency-1 variant

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy
Status
active

A form of leukocyte adhesion deficiency (LAD) characterized by both severe bacterial infections and a severe bleeding disorder.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLeukocyte adhesion deficiency type IIILAD-1 variant · LAD-III · Leukocyte adhesion deficiency-1 variant
frDéficit d'adhésion leucocytaire type IIIDAL-III · Déficit d'adhérence des leucocytes type III · Déficit d'adhérence leucocytaire type III · Déficit d'adhésion des leucocytes type III · LAD-III · Variant du DAL-I · Variant du déficit d'adhésion leucocytaire type I
deLeukozytenadhäsionsdefekt Typ IIILAD-1 Variante · LAD-III · Leukozytenadhäsionsdefekt Typ I Variante
esDeficiencia de adhesión leucocitaria tipo IIIDAL-III · Variante de DAL-1 · Variante de la deficiencia de adhesión leucocitaria 1
itDeficit di adesione leucocitaria, tipo IIILAD-III · Variante del deficit dell'adesione leucocitaria tipo 1 · Variante di LAD-1
nlDeficiëntie van leukocytenadhesie type IIILAD-1 variant · LAD-III · Leukocytadhesiedeficiëntie type I variant · Leukocytenadhesiedeficiëntie type III
ptDeficiência de adesão leucocitária tipo III
plNiedobór adhezji leukocytów typu IIILAD-1 wariant · LAD-III · Niedobór adhezji leukocytów typu-1 wariant
csDeficit adheze leukocytů, typ IIILAD, varianta 1 · LAD-III · Deficit adheze leukocytů, varianta 1
ukДефіцит адгезії лейкоцитів, тип IIIВаріант LAD-1 · LAD-III · Дефіцит адгезії лейкоцитів-1 варіант
zh白细胞粘附缺陷3型白细胞粘附缺陷-1型变异体
trLökosit adezyon eksikliği tip IIILAD-III · LAD-1 varyantı · Lökosit adezyon eksikliği-1 varyantı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612840Evalidated
ICD-10D84.8NTBTattributedvalidated
ICD-114A00.0YNTBTindexvalidated
MONDO0013016Evalidated
MeSHC567555Evalidated
UMLSC2748536Evalidated

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
FERMT3Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:23151ENSG0000014978160790111q13.1FERM domain containing kindlin 3
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families40 casesWorldwideCase(s)Validated28827066[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_28827066[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