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.
Sustained high creatinine level may indicate kidney damage because the normal kidney will filter creatinine out of the blood and keep it in the normal range of 0.5-1.3mg/dl. If your are still with serum creatinine 2.2, you should take a treatment immediately.ustained high creatinine level may indicate kidney damage because the normal kidney will filter creatinine out of the blood and keep it in the normal range of 0.5-1.3mg/dl. If your are still with serum creatinine 2.2, you should take a treatment immediately.