What is a ketones in blood test?A ketones in blood test measures the level of ketones in your blood. Ketones are substances that your body makes if your cells don't get enough glucose (blood sugar). Glucose is your body's main source of energy.Ketones can show up in blood or urine. High ketone levels may indicate diabetic ketoacidosis (DKA), a complication of diabetes that can lead to a coma or even death. A ketones in blood test can prompt you to get treatment before a medical emergency occurs.Other names: Ketone bodies (blood), serum ketones, beta-hydroxybutyric acid, acetoacetate
