821
Currently , the most useful role for this test is in the detection of hemochromatosis in the family members of patients with a proven case of the disease .
 Disease: hemochromatosis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: hemochromatosis