raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:309020

Familial apolipoprotein C-II deficiency

Synonyms: Familial APOC2 deficiency · Familial apoC-II deficiency

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Childhood
Status
active

This disease is described under Familial chylomicronemia syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial apolipoprotein C-II deficiencyFamilial APOC2 deficiency · Familial apoC-II deficiency
frDéficit familial en apolipoprotéine C-IIDéficit familial en apoC-II · Déficit familial en apoC2
deApolipoprotein CII-Mangel, familiärerFamiliärer APOC2-Mangel · Familiärer ApoC-II-Mangel
esDeficiencia familiar de apolipoproteína C-IIDeficiencia familiar de apoC-II
itDeficit familiare di apolipoproteina C-IIDeficit di apoC-II
nlFamiliale deficiëntie van apolipoproteïne C-IIFamiliale APOC2-deficiëntie · Familiale apoC-II-deficiëntie
ptDéfice familiar de apolipoproteína C-II
plRodzinny niedobór apolipoproteiny C-IIRodzinny Niedobór apoC-II
csFamiliární deficit apoliproteinu C-IIFamiliární deficit apoC-II
ukСімейний дефіцит аполіпопротеїну C-IIСімейний дефіцит APOC2 · Сімейний дефіцит апоС-ІІ
zh家族性载脂蛋白C-II缺乏症家族性载脂蛋白C-II缺乏症
trAilesel apolipoprotein C-II eksikliğiAilesel APOC2 eksikliği · Ailesel apoC-II eksikliği
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM207750Evalidated
ICD-10E78.3NTBTattributedvalidated
ICD-115C80.1NTBTindexvalidated
MONDO0008810Evalidated
UMLSC0268199Evalidated
GARD759Evalidated

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
APOC2Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:609ENSG0000023490660808319q13.32apolipoprotein C224589565[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 familiesWorldwideFamily(ies)Validated25732519[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25732519[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