Grays Peak and Torreys Peak - 8.35 Miles Round-Trip. Grays Peak (14,270') and Torreys Peak (14,267') are the two highest points along the Continental Divide, and considered among the most accessible fourteeners in Colorado. The summits are connected by a .8 mile long saddle, making both attainable in a day with an early start.
BUN â Blood urea nitrogen. 1  Purpose: To detect elevated waste levels in the bloodstream, which is an early sign of reduced kidney function. 2  Normal range: 7 to 20 milligrams per deciliter (mg/dl). 3  How this test is conducted: A blood sample is taken and sent for analysis.
Creatinine is a chemical waste product of muscle metabolism that is eliminated through the kidneys. Persistently high levels of creatinine indicate that the kidneys may not be functioning properly. The normal range of creatinine in blood is: 0.6 to 1.2 mg/dL (or 53 to 106 mcmol/L) for males, and. 0.5 to 1.1 mg/dL (or 44 to 97 mcmol/L) for females.