raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:642671

Familial hyperaldosteronism type IV

Synonyms: FH4

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult, Childhood
Status
active

A rare familial hyperaldosteronism characterized by elevated aldosterone levels and low plasma renin activity, early-onset hypertension, and hypokalemia. Developmental delay, learning disabilities, behavioral abnormalities, and attention deficit disorder are observed in some patients.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enFamilial hyperaldosteronism type IVFH4
frHyperaldostéronisme familial type IV
deHyperaldosteronismus, familiärer, Typ IV= en
esHiperaldosteronismo familiar tipo IV= en
itIperaldosteronismo familiare tipo IV= en
nlFamiliaal hyperaldosteronisme type IV= en
ptHiperaldosteronismo familiar tipo IV= en
plRodzinny hiperaldosteronizm typu IV= en
csFamiliární hyperaldosteronismus, typ IV= en
ukСімейний гіперальдостеронізм, тип IV= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617027Evalidated
ICD-10E26.0NTBTattributedvalidated
ICD-115A72.0NTBTattributedvalidated
MONDO0014875Evalidated
UMLSC4310756Evalidated

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
CACNA1HDisease-causing germline mutation(s) (gain of function) inAssessedHGNC:1395ENSG0000019655760790416p13.3calcium voltage-gated channel subunit alpha1 H27729216[PMID]_25907736[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families17 casesWorldwideCase(s)Validated38860417[PMID]_35757409[PMID]_39803142[PMID]_38495792[PMID]_25907736[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated38860417[PMID]_35757409[PMID]_39803142[PMID]_38495792[PMID]_25907736[PMID]_ORPHANET

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