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.
Most domestic cats have a life expectancy of about 10 to 15 years. A lot of factors, including genetics, can play into whether or not your cat lives to the older end of the spectrum. This means her breed can play a part in her longevity. If you want to adopt a kitty with a longer life expectancy than most, choose a Manx or a Siamese. These breeds' expected life span is 15 to 20 years, about five years more than the average for other cats.