Start here
Makes a protein involved in regulating iron absorption. Certain combinations of HFE variants can increase the likelihood of iron overload, but a variant alone does not establish that iron is high.
Connections in the Purser reference
These are teaching connections, not a diagnosis or a measured effect in your body.
Understanding a result
A gene name is not a test result. Interpretation needs the exact variant, genotype, test method, clinical classification, symptoms and family history. Research associations and common SNPs should not be treated as proven disease-causing findings.
Iron and next steps
Discuss transferrin saturation, ferritin and the reason for any abnormal results. Do not start iron or arrange therapeutic blood removal solely because a variant appears on a report.
Questions for your visit
Is this a common marker, a pathogenic variant, or an uncertain finding? Does it change my care? Would confirmation or genetic counseling be useful?
Variant IDs in the source reference
These identifiers help you find the associated teaching. Their inclusion is not verification of a gene–variant mapping, disease classification or treatment implication. Use your laboratory’s exact result and a current clinical interpretation.
Names you may see
C282Y Mutation · H63D Mutation · HFE C282Y Mutation · HFE H63D Mutation · HEF · C282Y · H63D · hemochromatosis · iron overload
Sources & perspective
This is an editorial adaptation of the Purser Wellness genetics teaching app and genetic rules reference (v2.8). Purser teaching connections are labeled separately from clinical interpretation. Private cases and individual treatment protocols are not reproduced.
Use the public resources below for additional context.
MedlinePlus: HFEMedlinePlus: understanding genetic resultsNCBI ClinVar: clinical classifications