raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:169160

T-B+NK+ severe combined immunodeficiency due to CD3delta/CD3epsilon/CD3zeta deficiency

Synonyms: T-B+NK+ SCID due to CD3delta/CD3epsilon/CD3zeta deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy
Status
active

A rare T-B+ severe combined immunodeficiency characterized by a T cell-negative, B cell-positive, natural killer (NK) cell-positive immune phenotype. Patients present in infancy or early childhood with recurrent infections. Clinical manifestations may vary in severity depending on the underlying molecular defect, resulting in early death without bone marrow transplantation in some patients.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enT-B+NK+ severe combined immunodeficiency due to CD3delta/CD3epsilon/CD3zeta deficiencyT-B+NK+ SCID due to CD3delta/CD3epsilon/CD3zeta deficiency
frDéficit immunitaire combiné sévère T-B+NK+ par déficit en CD3delta/epsilon/zêtaDICS T-B+NK+ par déficit en CD3delta/epsilon/zêta · IDCS T-B+NK+ par déficit en CD3delta/epsilon/zêta · Immunodéficience combinée sévère T-B+NK+ par déficit en CD3delta/epsilon/zêta · SCID T-B+NK+ par déficit en CD3delta/epsilon/zêta
deImmundefekt, kombinierter schwerer, T-B+NK+, durch CD3delta/CD3epsilon/CD3zeta-MangelT-B+NK+ SCID durch CD3delta/CD3epsilon/CD3zeta-Defizienz
esInmunodeficiencia combinada grave T-B+NK+ por CD3delta/CD3epsilon/CD3zetaIDCG T-B+NK+ por CD3delta/CD3epsilon/CD3zeta · SCID T-B+NK+ por CD3delta/CD3epsilon/CD3zeta
itImmunodeficienza combinata grave T-B+NK+ da deficit di CD3delta/CD3epsilon/CD3zetaSCID T-B+NK+ da deficit di CD3delta/CD3epsilon/CD3zeta
nlT-B+NK+ ernstige gecombineerde immuundeficiëntie door CD3delta/CD3epsilon/CD3zetaT-B+NK+ SCID door CD3delta/CD3epsilon/CD3zeta
ptImunodeficiência combinada grave T-B+ por deficiência de CD3 delta/CD3 epsilon/CD3 zeta
plCiężki złożony Niedobór odporności T-B+ z powodu CD3delta/CD3epsilon/CD3zetaT-B+ SCID z powodu CD3delta/CD3epsilon/CD3zeta
csT-B+ těžká kombinovaná imunodeficience způsobená CD3delta/CD3epsilon/CD3zetaT-B+ SCID způsobená CD3delta/CD3epsilon/CD3zeta
ukТ-В+ важкий комбінований імунодефіцит, зумовлений CD3delta/CD3epsilon/CD3zetaТ-В+ SCID через CD3delta/CD3epsilon/CD3zeta
zhCD3δ/CD3ε/CD3ζ缺乏所致T-B+重症联合免疫缺陷CD3β/CD3ε/CD3ζ缺乏所致T-B+ SCID
trCD3delta / CD3epsilon / CD3zeta'ya bağlı T-B + ağır kombine immün yetmezlikCD3delta/CD3epsilon/CD3zetaya bağlı T-B + SCID

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM610163BTNTvalidated
OMIM615615BTNTvalidated
OMIM615617BTNTvalidated
ICD-10D81.2NTBTattributedvalidated
ICD-114A01.10NTBTindexvalidated
MONDO0015703Evalidated
UMLSC5679578Evalidated

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

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CD247Disease-causing germline mutation(s) inAssessedHGNC:1677ENSG000001988211867801q24.2CD247 molecule
CD3DDisease-causing germline mutation(s) inAssessedHGNC:1673ENSG0000016728618679011q23.3CD3 delta subunit of T-cell receptor complex
CD3EDisease-causing germline mutation(s) inAssessedHGNC:1674ENSG0000019885118683011q23.3CD3 epsilon subunit of T-cell receptor complex
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birthUnknown—WorldwideClass onlyValidatedORPHANET
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

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

23 annotations · validated 2019-09-26
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002719Recurrent infections
Frequent (79-30%)
HP:0004315Decreased circulating IgG level
HP:0003460Decreased circulating total IgA
HP:0031381Decreased lymphocyte proliferation in response to mitogen
HP:0045080Decreased proportion of CD3-positive T cells
HP:0008866Failure to thrive secondary to recurrent infections
HP:0001945Fever
HP:0001888Lymphopenia
Occasional (29-5%)
HP:0002039Anorexia
HP:0009098Chronic oral candidiasis
HP:0002014Diarrhea
HP:0001019Erythroderma
HP:0012115Hepatitis
HP:0001433Hepatosplenomegaly
HP:0010702Increased circulating immunoglobulin concentration
HP:0001880Increased total eosinophil count
HP:0000388Otitis media
HP:0002090Pneumonia
HP:0004385Protracted diarrhea
HP:0002722Recurrent abscess formation
HP:0005401Recurrent candida infections
HP:0005353Recurrent herpes
HP:0006532Recurrent pneumonia

Run the differential on the 1 obligate / very frequent terms

Annotation source: 21883749[PMID]_16672702[PMID]_26235889[PMID]_15546002[PMID]

7

Sources for this card