Wipe away the first blood droplet with a clean paper towel or tissue to ensure a more accurate result. Test on the side of your finger where the skin tends to be softer and the prick is less painful. Increased excretion in the urine is called Ketonuria. Fat metabolism, when completely metabolized, leads to CO 2 and H2O formation. You can buy test strips to check your urine at home. If you test regularly, alternate fingers, primarily for comfort. For men or people with calloused hands, use your ring or pinky finger. The results from the ketones in urine tests can vary from quantitative with a specific number to qualitative as a small, moderate, or a large amount of ketones. A ketone test can warn you of a serious diabetes complication called diabetic ketoacidosis (DKA). While intermediate products are ketone bodies. The objective of the test is to detect the presence of ketone bodies in the urine. You don't need to go to the doctor. Nitroprusside test are least 10 times more sensitive to acetoacetate than to acetone and give no reaction at all with beta hydroxybutyrate. You can find out how much ketosis is going on in your body by testing for ketones in your blood or urine. Gerhardt’s ferric chloride test reacts with acetoacetate only. So ketone bodies are not seen in the urine. Learn what ketones are, when you need to test, and how to do it. Pathophysiology. None of the commonly used methods for the detection and determination of ketone bodies in serum or urine reacts with all 3 ketone bodies. Increased ketone bodies in the blood are called Ketonemia.