raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:83639

Hypercoagulability syndrome due to glycosylphosphatidylinositol deficiency

Synonyms: Congenital disorder of glycosylation due to PIGM deficiency · PIGM-CDG

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

A rare congenital disorder of glycosylation characterized by cerebral and portal vein thrombosis, portal hypertension, macrocephaly, and persistent absence seizures. Additional reported features include mild to moderate global developmental delay and intellectual disability, as well as thrombocytopenia. Brain imaging may show variable stages of infarction and cerebral and cerebellar atrophy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypercoagulability syndrome due to glycosylphosphatidylinositol deficiencyCongenital disorder of glycosylation due to PIGM deficiency · PIGM-CDG
frSyndrome d'hypercoagulabilité par déficit héréditaire en glycosyl phosphatidyl inositolAnomalie congénitale de la glycosylation par déficit en PIGM · PIGM-CDG
deHyperkoagulabilitätssyndrom durch Glykosylphosphatidyl-Inositol-MangelGlykosylierungs-Krankheit, kongenitale, durch PIGM-Mangel · Kohlenhydrat-defizientes Glykoprotein-Syndrom durch PIGM-Mangel · Kongenitaler Defekt der Glycoproteinbiosynthese durch PIGM-Mangel · PIGM-CDG
esSíndrome de hipercoagulabilidad por deficiencia de glicosilfosfatidilinositolPIGM-CDG · Trastorno congénito de la glicosilación por deficiencia de PIGM
itSindrome da ipercoagulabilità da deficit glicosilfosfatidilinositoloPIGM-CDG
nlHypercoagulabiliteit-syndroom door deficiëntie van glycosylfosfatidylinositolCongenitale glycosylatiestoornis door PIGM-deficiëntie · PIGM-CDG
ptSíndrome hipercoagulabilidade por deficiência de glicosilfosfatidilinositol
plZespół nadkrzepliwości spowodowany niedoborem glikozylofosfatydyloinozytoluPIGM-CDG
csHyperkoagulační syndrom způsobený deficitem glykosylfosfatidylinositoluPIGM-CDG
ukСиндром гіперкоагуляції внаслідок дефіциту глікозилфосфатидилінозитолуВроджене порушення глікозилювання внаслідок дефіциту PIGM · PIGM-CDG
zh糖基磷脂酰肌醇缺乏所致高凝综合征PIGM缺乏所致先天性糖基化障碍
trGlikozilfosfatidilinositol eksikliğine bağlı hiper pıhtılaşma sendromuPİGM-CDG · PİGM eksikliğine bağlı Doğumsal glikozilasyon bozukluğu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM610293Evalidated
ICD-10E77.8NTBTattributedvalidated
ICD-113B61.0YNTBTindexvalidated
MONDO0012465Evalidated
UMLSC4510605Evalidated
GARD9965Evalidated

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 (3):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PIGMDisease-causing germline mutation(s) inAssessedHGNC:18858ENSG000001433156102731q23.2phosphatidylinositol glycan anchor biosynthesis class M16767100[PMID]
PIGWDisease-causing germline mutation(s) inAssessedHGNC:23213ENSG0000027716161027517q12phosphatidylinositol glycan anchor biosynthesis class W27626616[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 familiesWorldwideFamily(ies)Validated16767100[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_16767100[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.

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Sources for this card