raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:70593

Immunodeficiency due to selective anti-polysaccharide antibody deficiency

Synonyms: SPAD · Selective anti-polysaccharide antibody deficiency · Specific anti-polysaccharide antibody deficiency · Specific polysaccharide antibody deficiency

Type
Disease
Group
Disorder
Inheritance
Multigenic/multifactorial
Age of onset
Adolescent, Adult, Childhood
Status
active

A rare primary immunodeficiency characterized by normal immunoglobulin levels (including IgG sub-classes) but impaired polysaccharide responsiveness.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enImmunodeficiency due to selective anti-polysaccharide antibody deficiencySPAD · Selective anti-polysaccharide antibody deficiency · Specific anti-polysaccharide antibody deficiency · Specific polysaccharide antibody deficiency
frDéficit immunitaire par déficit sélectif en anticorps anti-polysaccharideDéficit spécifique en anticorps anti-polysaccharide · Déficit spécifique en anticorps polysaccharidiques · Déficit sélectif en anticorps anti-polysaccharides · Immunodéficience par déficit sélectif en anticorps anti-polysaccharide · SPAD
deImmundefekt durch selektiven Antipolysaccharid-Antikörper-MangelSPAD · Spezifischer Antipolysaccharid-Antikörper-Mangel
esInmunodeficiencia por deficiencia selectiva de anticuerpos anti-polisacáridosDeficiencia específica de anticuerpos anti-polisacáridos · Deficiencia específica de anticuerpos polisacáridos · Deficiencia selectiva de anticuerpos anti-polisacáridos · SPAD
itImmunodeficienza da deficit selettivo di anticorpi anti-polisaccaridiDeficit selettivo di anticorpi anti-polisaccaridi · Deficit specifico di anticorpi anti-polisaccaridi · Deficit specifico di anticorpi polisaccaridici · SPAD
nlImmuundeficiëntie door selectieve deficiëntie van antipolysacharide-antilichaamSPAD · Selectieve deficiëntie van antipolysacharide-antilichaam · Specifieke deficiëntie van antipolysacharide-antilichaam · Specifieke deficiëntie van polysacharide-antilichaam
ptImunodeficiência por deficiência seletiva de anticorpos anti-polissacarídeosDeficiência seletiva de anticorpos anti-polissacarídeos · Deficiência seletiva de anticorpos polissacarídeos · SPAD
plNiedobór odporności związany z selektywnym niedoborem przeciwciał anty-polisacharydowych= en
csImunodeficience způsobená selektivním deficitem anti-polysacharidových protilátek= en
ukІмунодефіцит внаслідок селективного дефіциту антиполісахаридних антитілСелективний дефіцит антиполісахаридних антитіл · SPAD · Специфічний дефіцит антиполісахаридних антитіл · Дефіцит специфічних полісахаридних антитіл
zh选择性抗多糖抗体缺乏所致免疫缺陷选择性抗多糖抗体缺乏症
trSelektif anti-polisakkarit antikor eksikliğine bağlı immün yetmezlikSpesifik anti-polisakkarit antikor eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D80.8NTBTattributedvalidated
ICD-114A01.02NTBTindexvalidated
MONDO0019093Evalidated
UMLSC0398712Evalidated
GARD11903Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_28588580[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

19 annotations · validated 2021-01-26
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0410303Complete or near-complete absence of specific antibody response to Haemophilus influenzae type b (Hib) vaccine
HP:0410300Complete or near-complete absence of specific antibody response to pneumococcus vaccine
HP:0410299Decreased specific antibody response to polysaccharide vaccine
HP:0410302Decreased specific antibody response to protein-conjugated polysaccharide vaccine
HP:0002848Specific anti-polysaccharide antibody deficiency
Frequent (79-30%)
HP:0030374Decreased proportion of memory B cells
HP:0000388Otitis media
HP:0031949Recurrent bacterial upper respiratory tract infections
HP:0200117Recurrent upper and lower respiratory tract infections
HP:0012384Rhinitis
HP:0000246Sinusitis
Occasional (29-5%)
HP:0002099Asthma
HP:0001047Atopic dermatitis
HP:0010976Decreased total B cell count
HP:0007274Recurrent bacterial meningitis
Excluded (0%)
HP:0410240Abnormal IgA level
HP:0410242Abnormal IgG level
HP:0410243Abnormal IgM level
HP:0410295Complete or near-complete absence of specific antibody response to tetanus vaccine

Run the differential on the 5 obligate / very frequent terms

Annotation source: 11445810[PMID]_28588580[PMID]

7

Sources for this card