Gene List:
FTH1, FTL, HAMP, HFE, HFE2, HJV, SLC40A1, TFR2

References:
Stuhrmann M. et al. Clinical utility gene card for: Haemochromatosis [HFE]. 2010. Eur J Hum Genet. 2010 Sep;18(9).

Jacolot S. et al. HAMP as a modifier gene that increases the phenotypic expression of the HFE pC282Y homozygous genotype. Blood. 2004 Apr 1;103(7):2835-40.