Transfusional<unk>  can be inferred with a blood transferrin test. Blood ferritin may be increased with a number of other conditions, so is less reliable for diagnosis. A liver biopsy may be used, which is the most accurate diagnostic technique. The level of siderosis seen in a liver biopsy can be graded by severity.
Transfusion hemosiderosis
Post-transfusion purpura
Cold autoimmune hemolytic anemia
Transfusion-dependent anemia
Iatrogenic anemia
Acute hemolytic transfusion reaction
Hemolysis
Mechanical hemolytic anemia