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 levels tend to be higher in men and people with large muscles. Measuring creatinine is only the first step to finding your level of kidney function. The normal serum creatinine range for men is 0.5-1.5 mg/dL.our doctor may test your urine by asking you to collect your urine for 24 hours in a special container. Normal creatinine clearance for healthy men is 97-137 mL/min. Normal creatinine clearance for healthy women is 88-128 mL/min.