Serum Iron. A serum iron test determines the amount of iron in the liquid portion of the blood. Because the amount of iron in the blood varies throughout the day, experts at Lab Tests Online recommend performing iron testing the first thing in the morning. A normal range for iron in the blood, as reported by MedlinePlus, is 60mcg/dL to 170 mcg/dL.
Today cats live longer than ever. Just 20 years ago the life expectancy of a cat was four to six years; today they live 15 years or more. Life expectancy in cats depends on many things, but the most important factor is whether he is an indoor-only cat or an outdoor cat.
A Cat can Live to 20 Years. A healthy, strong American shorthair cat can live about 20 years. Not all cats will make the dual decade mark. Diet, exercise, whether the cat lives inside, outside, or a combination of both, physical attentiveness, and heredity all play a role in the life expectancy of just about any cat.