raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:275761

Lysosomal acid lipase deficiency

Synonyms: LAL deficiency · LALD

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

A rare, progressive metabolic liver disease due to marked to complete lysosomal acid lipase deficiency and characterized by dyslipidemia and massive lipid accumulation leading to hepatomegaly and liver dysfunction, splenomegaly, accelerated atherosclerosis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLysosomal acid lipase deficiencyLAL deficiency · LALD
frDéficit en lipase acide lysosomaleDéficit en LAL
deLysosomale saure Lipase-MangelLAL-Mangel
esDeficiencia de lipasa ácida lisosomalDeficiencia de LAL
itDeficit della lipasi acida lisosomialeDeficit di LAL
nlDeficiëntie van lysosomale zure lipaseLAL-deficiëntie
ptDeficiência de lipase ácida lisossomal
plNiedobór kwaśnej lipazy lizosomalnejNiedobór LAL
csDeficit lyzozomální kyselé lipázyDeficit LAL
ukДефіцит лізосомальної кислої ліпазиДефіцит LAL · LALD
zh溶酶体酸性脂肪酶缺乏症LAL缺乏症
trLizozomal asit lipaz eksikliğiLAL eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM278000Evalidated
ICD-10E75.5NTBTattributedvalidated
ICD-115C56.0YNTBTindexvalidated
MONDO800449Evalidated
UMLSC5574740Evalidated
GARD12097Evalidated
MedDRA10077267Evalidated

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):

Children (2):

4

Genes

0 direct · 2 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LIPAORPHA:75233Wolman diseaseDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6617ENSG0000010779861349710q23.31lipase A, lysosomal acid type22227072[PMID]_26225414[PMID]
LIPAORPHA:75234Cholesteryl ester storage diseaseDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6617ENSG0000010779861349710q23.31lipase A, lysosomal acid type22227072[PMID]_26225414[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.27 / 100 000Czech RepublicValue and classValidated20490927[PMID]
Point prevalence1-9 / 100 0002 / 100 000EuropeValue and classValidatedEuropean Medicines Agency 2015[OTHER]

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

49 annotations · validated 2016-03-16
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003270Abdominal distention
HP:0002027Abdominal pain
HP:0010512Adrenal calcification
HP:0100543Cognitive impairment
HP:0001410Decreased liver function
HP:0003155Elevated circulating alkaline phosphatase concentration
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0006583Fatal liver failure in infancy
HP:0001399Hepatic failure
HP:0001395Hepatic fibrosis
HP:0001433Hepatosplenomegaly
HP:0003124Hypercholesterolemia
HP:0002155Hypertriglyceridemia
HP:0000952Jaundice
HP:0001414Microvesicular hepatic steatosis
HP:0002017Nausea and vomiting
HP:0002570Steatorrhea
HP:0001922Vacuolated lymphocytes
HP:0000991Xanthomatosis
Frequent (79-30%)
HP:0001677Coronaryartery atherosclerosis
HP:0002014Diarrhea
HP:0002040Esophageal varix
HP:0004416Precocious atherosclerosis
HP:0001297Stroke
HP:0001824Weight loss
HP:0001114Xanthelasma
Occasional (29-5%)
HP:0012598Abnormal urine potassium concentration
HP:0001941Acidosis
HP:0001903Anemia
HP:0001541Ascites
HP:0004333Bone-marrow foam cells
HP:0004326Cachexia
HP:0001944Dehydration
HP:0001508Failure to thrive
HP:0011968Feeding difficulties
HP:0001263Global developmental delay
HP:0002153Hyperkalemia
HP:0012605Hypernatriuria
HP:0001971Hypersplenism
HP:0002902Hyponatremia
HP:0002615Hypotension
HP:0011106Hypovolemia
HP:0004395Malnutrition
HP:0008207Primary adrenal insufficiency
HP:0000989Pruritus
HP:0002361Psychomotor deterioration
HP:0002092Pulmonary arterial hypertension
HP:0000127Renal salt wasting
HP:0002013Vomiting

Run the differential on the 12 obligate / very frequent terms

Annotation source: 3565483[PMID]_5787090[PMID]_3740103[PMID]_6478639[PMID]_5642714[PMID]_1516222[PMID]_142699714[PMID]_14008104[PMID]

7

Sources for this card