Harvard Health Letter

Your blood work, on the edge of normal

There are several types of routine blood tests. Some are panels or series of tests, such as a comprehensive metabolic panel (CMP), which measures various chemicals in the blood, as well as blood levels of protein, potassium, sodium, and chloride. A complete blood count measures the types of cells in the blood, as well as hematocrit, hemoglobin, and other aspects of blood cells. A lipid panel measures the types of fat in the blood, including “good” HDL cholesterol, “bad” LDL cholesterol, and triglycerides. 
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