Bronchoscopic Procedures. Bronchoscopy is a procedure that is used to view the trachea and bronchial tubes and is used to diagnose lung disease and infection. It may also be used during the treatment of some lung conditions.
If results indicate a possibility of disease or impaired kidney function, one or more of the following additional tests is usually performed to pinpoint the cause and the level of decline in kidney function. 1  Creatinine clearance test. 2  Urea clearance test. 3  Urine osmolality test.  Urine protein test.
The kidneys also help control the levels of water and various essential minerals in the body. In addition, theyâre critical to the production of: vitamin D; red blood cells; hormones that regulate blood pressure; If your doctor thinks your kidneys may not be working properly, you may need kidney function tests. These are simple blood and urine tests that can identify problems with your kidneys. You may also need kidney function testing done if you have other conditions that can harm the kidneys, such as diabetes or high blood pressure.