raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79293

Familial LCAT deficiency

Synonyms: Complete LCAT deficiency · FLD · Norum disease

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive, Not applicable
Age of onset
All ages
Status
active

Familial LCAT (lecithin-cholesterol acyltransferase) deficiency (FLD) is a form of lecithin-cholesterol acyltransferase deficiency (LCAT) characterized clinically by corneal opacities, hemolytic anemia, and renal failure, and biochemically by severely decreased HDL cholesterol and complete deficiency of the LCAT enzyme.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial LCAT deficiencyComplete LCAT deficiency · FLD · Norum disease
frDéficit familial complet en LCATDéficit complet en LCAT · FLD · Maladie de Norum
deLCAT-Mangel, familiärerFLD · LCAT-Mangel, kompletter · Norum-Krankheit
esDeficiencia familiar de LCATDeficiencia completa de LCAT · Enfermedad de Norum · FLD
itDeficit familiare di LCATDeficit completo di LCAT · FLD · Malattia di Norum
nlFamiliale LCAT-deficiëntieFLD · Volledige LCAT-deficiëntie · Ziekte van Norum
ptDeficiência de LCAT familiar
plRodzinny Niedobór LCATCałkowity Niedobór LCAT · Choroba Noruma · FLD
csFamiliární deficit LCATKompletní deficit LCAT · FLD · Norumova choroba
ukСімейний дефіцит LCATПовна недостатність LCAT · FLD · Хвороба Норума
zh家族性LCAT缺陷症完全性LCAT缺陷症
trAilesel LCAT eksikliğiFLD · Norum hastalığı · Tam LCAT eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM245900Evalidated
ICD-10E78.6NTBTattributedvalidated
ICD-115C81.0NTBTindexvalidated
MONDO0009515Evalidated
UMLSC0023195Evalidated
GARD4011Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LCATDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6522ENSG0000021339860696716q22.1lecithin-cholesterol acyltransferase9162740[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families70 casesWorldwideCase(s)Validated[EXPERT]
Point prevalence<1 / 1 000 000—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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card