raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79230

HJV or HAMP-related hemochromatosis

Synonyms: Hemochromatosis type 2 · Juvenile hemochromatosis

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

An early-onset and most severe form of rare hemochromatosis characterized by the usual features of hemochromatosis accompanied by cardiomyopathy and hypogonadism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHJV or HAMP-related hemochromatosisHemochromatosis type 2 · Juvenile hemochromatosis
frHémochromatose associée à HJV ou HAMPHémochromatose de type 2 · Hémochromatose juvénile
deHämochromatose, HJV oder HAMP-assoziierteHämochromatose Typ 2 · Hämochromatose, juvenile
esHemocromatosis asociada a los genes HJV o HAMPHemocromatosis juvenil · Hemocromatosis tipo 2
itEmocromatosi correlata a HJV o HAMPEmocromatosi giovanile · Emocromatosi tipo 2
nlHJV- of HAMP-gerelateerde hemochromatoseHemochromatose type 2 · Juveniele hemochromatose
ptHemocromatose relacionada com HJV ou HAMPHemocromatose juvenil · Hemocromatose tipo 2
plHemochromatoza typu 2Hemochromatoza młodzieńcza · Hemochromatoza związana z HJV lub HAMP
csHemochromatóza, typ 2Juvenilní hemochromatóza
ukHJV або HAMP-асоційований гемохроматозГемохроматоз типу 2 · Ювенільний гемохроматоз
zh血色素沉着病2型青少年血红蛋白沉积症
trHemokromatoz tip 2jüvenil hemokromatoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM602390BTNTvalidated
OMIM613313BTNTvalidated
ICD-10E83.1NTBTattributedvalidated
ICD-115C64.10NTBTindexvalidated
MONDO0019257Evalidated
MeSHC537247Evalidated
UMLSC0268060Evalidated
GARD10092Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HAMPDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:15598ENSG0000010569760646419q13.12hepcidin antimicrobial peptide20301349[PMID]
HJVDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:4887ENSG000001685096083741q21.1hemojuvelin BMP co-receptor20301349[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families74 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

15 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0011031Abnormality of iron homeostasis
HP:0002612Congenital hepatic fibrosis
HP:0012463Elevated transferrin saturation
HP:0003281Increased circulating ferritin concentration
Frequent (79-30%)
HP:0003040Arthropathy
HP:0000819Diabetes mellitus
HP:0001644Dilated cardiomyopathy
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0007440Generalized hyperpigmentation
HP:0000135Hypogonadism
HP:0000802Impotence
HP:0001254Lethargy
HP:0001324Muscle weakness
Occasional (29-5%)
HP:0012093Abnormality of endocrine pancreas physiology
HP:0000939Osteoporosis

Run the differential on the 4 obligate / very frequent terms

Annotation source: 22083147[PMID]

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Sources for this card