It's less expensive to refinish the bathtub ($300-$600) or install a bathtub liner ($500-$4,000), but a replacement can mean you get precisely the tub you want.eplacing a fiberglass one with an acrylic whirlpool one. The estimate I got was for $3900.00 with me buying the tub and with a notice that the costs could go up if they have difficulty setting the tub. The tub cost $800. I am trying to keep costs down, so I am having them minimize the tile replacement.
The BUN-to-creatinine ratio is not a precise or reliable test, though. It may often be somewhat abnormal in healthy people. More important is the creatinine level itself; if itâs elevated, the kidneys are not working properly, and the reason should be sought out.
If your physician orders a BUN test for you, he or she will also likely order a creatinine test. Both tests can indicate how well your kidneys are working. The typical ratio of BUN to creatinine in your blood is 10:1 to 20:1, according to the American Association for Clinical Chemistry.hen your liver filters proteins, it gives off urea nitrogen as a waste product. The kidneys are responsible for filtering the urea nitrogen out of your blood supply and into your urine. If a BUN test reveals higher-than-normal levels, your kidneys may not be working properly or as effectively as they should.