Understanding your blood test results This guide provides an interpretation of common blood results for people with genetic haemochromatosis. Depending upon your own situation, you may have one or more of these tests performed by your General Practitioner or hospital consultant. Blood tests are a window into how the organs of the body are functioning. They are not definitive but give strong clues as to what is going on with the major systems. Blood test results can be baffling - our guide helps to explain what each test is about. This guide is included in our membership pack - join now!