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.
Routine kidney function is one of the most commonly performed blood tests. It may be done: 1  As part of a general health assessment. 2  If you have suspected low body water content (dehydration), when the urea level increases. 3  If you have suspected kidney failure.