What is the name of the test that assesses kidney function and checks for urinary tract obstruction?

The renal ultrasound is an imaging test specifically designed to assess kidney functionality and structure while also being effective in identifying urinary tract obstructions. This non-invasive procedure uses sound waves to create images of the kidneys and urinary system, allowing healthcare providers to visualize the anatomy and any possible blockages or abnormalities.

In contrast, a kidney biopsy involves removing a small sample of kidney tissue for laboratory analysis, which focuses on identifying diseases at a cellular level rather than assessing overall kidney function or obstructions. A CT scan, while useful in providing detailed images of the kidneys and surrounding structures, often involves exposure to radiation and is not as routinely used for evaluating kidney function specifically. Urinalysis, though crucial for assessing various aspects of kidney function and urinary health, does not provide direct imaging or structural evaluation of the kidneys or urinary tract. Thus, renal ultrasound stands out as the most appropriate test for assessing kidney function and checking for obstructions.