raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:90045

Hereditary folate malabsorption

Synonyms: Congenital folate malabsorption

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

Hereditary folate malabsorption (HFM) is an inherited disorder of folate transport characterized by a systemic and central nervous system (CNS) folate deficiency manifesting as megaloblastic anemia, failure to thrive, diarrhea and/or oral mucositis, immunologic dysfunction and neurological disorders.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHereditary folate malabsorptionCongenital folate malabsorption
frMalabsorption héréditaire de l'acide foliqueMalabsorption congénitale de l'acide folique · Malabsorption congénitale des folates · Malabsorption héréditaire des folates
deFolat-Malabsorption, hereditäreFolat-Malabsorption, kongenitale
esMalabsorción hereditaria de folatoMalabsorción congénita de folato
itMalassorbimento ereditario di folatoMalassorbimento congenito di folato
nlErfelijke malabsorptie van folaatCongenitale malabsorptie van folaat
ptMá absorção de folato hereditáriaMá absorção de folato congénita
plZespół złego wchłaniania kwasu foliowegoWrodzone złe wchłanianie kwsau foliowego
csDědičná malabsorpce folátuVrozená malabsorpce folátu
ukСпадкова мальабсорбція фолатівВроджена мальабсорбція фолатів
zh遗传性叶酸吸收障碍先天性叶酸盐吸收障碍
trKalıtsal folat emilim bozukluğuDoğumsal folat emilim bozukluğu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM229050Evalidated
ICD-10E53.8NTBTattributedvalidated
ICD-115C63.1NTBTindexvalidated
MONDO0009238Evalidated
MeSHC562799Evalidated
UMLSC0342705Evalidated
GARD12983Evalidated

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 (5):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SLC46A1Disease-causing germline mutation(s) inAssessedHGNC:30521ENSG0000007635161167217q11.2solute carrier family 46 member 1
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)ValidatedORPHANET
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

25 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100022Abnormality of movement
HP:0002715Abnormality of the immune system
HP:0002039Anorexia
HP:0100825Cheilitis
HP:0004313Decreased circulating antibody level
HP:0002014Diarrhea
HP:0001508Failure to thrive
HP:0001263Global developmental delay
HP:0000206Glossitis
HP:0001889Megaloblastic anemia
HP:0002017Nausea and vomiting
HP:0000980Pallor
Frequent (79-30%)
HP:0000708Atypical behavior
HP:0002020Gastroesophageal reflux
HP:0009830Peripheral neuropathy
HP:0001250Seizure
Occasional (29-5%)
HP:0002514Cerebral calcification
HP:0001347Hyperreflexia
HP:0002721Immunodeficiency
HP:0001880Increased total eosinophil count
HP:0001876Pancytopenia
HP:0002205Recurrent respiratory infections
HP:0000010Recurrent urinary tract infections
HP:0003202Skeletal muscle atrophy
HP:0001873Thrombocytopenia

Run the differential on the 12 obligate / very frequent terms

Annotation source: 25504888[PMID]_20301716[PMID]_11807405[PMID]

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Sources for this card