raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:47

X-linked agammaglobulinemia

Synonyms: BTK-deficiency · Bruton type agammaglobulinemia

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
X-linked recessive
Age of onset
Childhood
Status
active

A clinically variable form of isolated agammaglobulinemia, an inherited immunodeficiency disorder, characterized in affected males by recurrent bacterial infections during infancy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked agammaglobulinemiaBTK-deficiency · Bruton type agammaglobulinemia
frAgammaglobulinémie liée à l'XAgammaglobulinémie type Bruton · Déficit en BTK
deAgammaglobulinämie, X-chromosomaleAgammaglobulinämie Typ Bruton · BTK-Defizienz · BTK-Mangel
esAgammaglobulinemia ligada al cromosoma XAgammaglobulinemia tipo Bruton · Deficiencia de BTK
itAgammaglobulinemia legata all'XAgammaglobulinemia, tipo Bruton · Deficit di BTK
nlX-gebonden agammaglobulinemieBTK-deficiëntie · Bruton-type agammaglobulinemie
ptAgamaglobulinemia ligada ao XAgamaglobulinemia tipo Brutton · Deficiência de BTK
plAgammaglobulinemia sprzężona z chromosomem XAgammaglobulinemia typu Brutona · Niedobór BTK
csX-vázaná agamaglobulinemieDeficit BTK · Brutonova agamaglobulinemie · X-vázaná hypogamaglobulinemie · Brutonova nemoc
ukХ-зчеплена агаммаглобулінеміяАгаммаглобулінемія типу Брутона · Дефіцит BTK
zhX连锁无丙种球蛋白血症Bruton型无丙种球蛋白血症
trX'e bağlı agamaglobulinemiBTK-eksikliği · Bruton tipi agamaglobulinemi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300310BTNTvalidated
OMIM300755Evalidated
ICD-10D80.0NTBTinclusionvalidated
ICD-114A01.00NTBTindexvalidated
MONDO0010421Evalidated
MeSHC537409Evalidated
UMLSC0221026Evalidated
GARD1033Evalidated
MedDRA10060360Evalidated

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):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
BTKDisease-causing germline mutation(s) inAssessedHGNC:1133ENSG00000010671300300Xq22.1Bruton tyrosine kinase20301626[PMID]
5

Prevalence and incidence

19 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 0000.1 / 100 000EuropeValue and classNot yet validated19419768[PMID]
Point prevalence1-9 / 1 000 0000.22 / 100 000WorldwideValue and classValidated[EXPERT]
Point prevalence1-9 / 1 000 0000.18 / 100 000FranceValue and classValidated19419768[PMID]
Point prevalence1-9 / 1 000 0000.21 / 100 000ItalyValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.08 / 100 000United KingdomValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.06 / 100 000SpainValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.03 / 100 000GermanyValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.09 / 100 000PolandValue and classValidated19419768[PMID]
Point prevalence1-9 / 1 000 0000.13 / 100 000CroatiaValue and classValidated19419768[PMID]
Point prevalence1-9 / 1 000 0000.16 / 100 000HungaryValue and classValidated19419768[PMID]
Point prevalence1-9 / 1 000 0000.25 / 100 000North MacedoniaValue and classValidated19419768[PMID]
Point prevalence1-9 / 1 000 0000.1 / 100 000SloveniaValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.09 / 100 000SerbiaValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.04 / 100 000UkraineValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.06 / 100 000BelarusValue and classValidated19419768[PMID]
Point prevalence<1 / 1 000 0000.03 / 100 000RomaniaValue and classValidated19419768[PMID]
Prevalence at birth1-9 / 1 000 0000.26 / 100 000United StatesValue and classValidated16862044[PMID]
Point prevalence<1 / 1 000 0000.07 / 100 000United StatesValue and classValidated16862044[PMID]
Point prevalence1-9 / 1 000 0000.11 / 100 000Korea, Republic ofValue and classValidated22787376[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

35 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100763Abnormality of the lymphatic system
HP:0100765Abnormality of the tonsils
HP:0004432Agammaglobulinemia
HP:0002028Chronic diarrhea
HP:0000389Chronic otitis media
HP:0000509Conjunctivitis
HP:0001508Failure to thrive
HP:0012378Fatigue
HP:0001945Fever
HP:0000162Glossoptosis
HP:0002721Immunodeficiency
HP:0100838Recurrent cutaneous abscess formation
HP:0006532Recurrent pneumonia
HP:0004322Short stature
HP:0000246Sinusitis
HP:0000988Skin rash
HP:0200042Skin ulcer
Frequent (79-30%)
HP:0002088Abnormal lung morphology
HP:0001369Arthritis
HP:0100658Cellulitis
HP:0001875Decreased total neutrophil count
HP:0002901Hypocalcemia
HP:0001287Meningitis
HP:0000407Sensorineural hearing impairment
HP:0100806Sepsis
Occasional (29-5%)
HP:0001596Alopecia
HP:0001903Anemia
HP:0002960Autoimmunity
HP:0012115Hepatitis
HP:0001053Hypopigmented skin patches
HP:0002024Malabsorption
HP:0002664Neoplasm
HP:0002754Osteomyelitis
HP:0001873Thrombocytopenia
HP:0001824Weight loss

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card