What Are the Normal Ranges for Blood Test Results?

The normal ranges for blood test results depend on the targets of the test, states University of Rochester Medical Center. The normal adult fasting blood glucose range is about 70 to 105 milligrams per deciliter; the range for calcium is about 8.5 to 10.5 milligrams per deciliter.

The normal range for blood urea nitrogen is about 8 to 18 milligrams per deciliter, and the range for creatinine is about 0.6 to 1.2 milligrams per deciliter, notes University of Rochester Medical Center. The normal range for carbon dioxide is about 23 to 29 milliequivalents per liter, and, for chloride, it is about 95 to 105 milliequivalents per liter. Sodium has a normal range of approximately 135 to 145 milliequivalents per liter, and the range for potassium is approximately 3.5 to 5 millimoles per liter.