Healthcare professionals use kidney function tests as diagnostic tools to evaluate the health and functioning of the kidneys. 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.