Tubular function tests

Tubular function tests evaluate the kidneys' ability to reabsorb and excrete substances, helping identify specific dysfunctions within the kidney's tubules. These tests analyze how well the tubules manage substances like electrolytes, water, and waste products, providing insight into conditions such as electrolyte imbalances, dehydration, or early kidney disease. Common tests include measuring the kidney’s response to certain substances or analyzing urine samples after specific tests. They help distinguish between problems originating in the filtering units (glomeruli) versus the tubules themselves, guiding appropriate diagnosis and treatment.