Blood tests revealed mild anemia, moderate renal insufficiency (glomerular filtration rate (GFR): 56 ml/min), prediabetes (glycated hemoglobin (HbA1c) 6.3), reduced transferrin saturation (9%), elevated transferrin (381 mg/dl), increased total iron binding (537 mg/dl), and hypertriglyceridemia. The gene discussed is TF; the disease is anemia.