hemochromatosis type 2B
Findings
No curated finding names hemochromatosis type 2B 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 HAMP gene.
Definition from the Mondo Disease Ontology (MONDO:0013220), 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.
- CirrhosisHPOHP:0001394
- 2 of 2 reported patients
- Elevated transferrin saturationHPOHP:0012463
- 2 of 2 reported patients
- Hepatic fibrosisHPOHP:0001395
- 2 of 2 reported patients
- Hyperpigmentation of the skinHPOHP:0000953
- 2 of 2 reported patients
- HypogonadismHPOHP:0000135
- 2 of 2 reported patients
- Increased circulating ferritin concentrationHPOHP:0003281
- 2 of 2 reported patients
- Secondary amenorrheaHPO
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.
- HAMPHGNC:15598
- Definitive · ClinGen · Autosomal recessive · 2025
- Definitive · G2P · Autosomal recessive · 2018
- Strong · Genomics England PanelApp · Autosomal recessive · 2021
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2020
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
- A kind of
Other names
3 names
Resolves to: hemochromatosis type 2B
- Also called
- HAMP hemochromatosis type 2hemochromatosis type 2 caused by mutation in HAMPHFE2B