Cmp provides status of body's metabolism, health of kidneys and liver. It measures levels of blood glucose and blood proteins, etc. Weba comprehensive metabolic panel (cmp) is a test that measures 14 different substances in your blood. It provides important information about your body's chemical balance and. Webthe comprehensive metabolic panel (cmp) is a blood test that provides valuable information about your kidney function, liver function, electrolytes, blood sugar, and.