These tests offer crucial insights into the kidneys' performance, facilitating the detection of abnormalities and aiding in the diagnosis and monitoring of kidney diseases or injuries. including chronic kidney disease (CKD) and acute kidney injury (AKI). Commonly used kidney function tests are: Blood Urea Nitrogen (BUN) Test, Serum Creatinine Test, Glomerular Filtration Rate (GFR) Calculation, Urinalysis involves analysing a urine sample for presence of abnormal levels of protein, blood cells, glucose, or bacteria, Albumin-to-Creatinine Ratio (ACR) and Imaging Tests like ultrasound, CT scan, or MRI. It is important to note that these tests are typically used in combination to provide a comprehensive assessment of kidney function.Healthcare professionals, typically nephrologists, interpret these tests by considering the results within the framework of an individual's medical history, symptoms, and other factors. This approach ensures precise diagnosis and the development of a suitable treatment plan. Additionally, various non-renal parameters such as age, gender, and muscle mass can influence the outcomes of these tests.