hemochromatosis type 2A
Findings
No curated finding names hemochromatosis type 2A yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any hemochromatosis type 2 in which the cause of the disease is a mutation in the HJV gene.
Definition from the Mondo Disease Ontology (MONDO:0011216), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Young adult onset
HPO, annotations 2026-09-02
Features
7 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Elevated circulating iron concentrationHPOHP:0003452
- 7 of 7 reported patients
- HepatomegalyHPOHP:0002240
- 7 of 7 reported patients
- Increased circulating ferritin concentrationHPOHP:0003281
- 4 of 4 reported patients
- Hypogonadotropic hypogonadismHPOHP:0000044
- 6 of 7 reported patients
- CirrhosisHPOHP:0001394
- 2 of 4 reported patients
- CardiomyopathyHPOHP:0001638
- 2 of 7 reported patients
- Hyperpigmentation of the skinHPO
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- HJVHGNC:4887
- Definitive · ClinGen · Autosomal recessive · 2025
- Definitive · G2P · Autosomal recessive · 2018
- Definitive · Natera · Autosomal recessive · 2023
- Strong · Genomics England PanelApp · Autosomal recessive · 2021
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2018
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
- A kind of
Other names
3 names
Resolves to: hemochromatosis type 2A
- Also called
- hemochromatosis type 2 caused by mutation in HJVHFE2AHJV hemochromatosis type 2