Blood tests before surgery are critical for assessing risks, ensuring patient readiness, and facilitating safe and effective surgical outcomes.

Blood tests identify nutritional deficiencies by measuring levels of essential vitamins and minerals, guiding necessary dietary adjustments for health improvement.

Key blood tests for kidney function include serum creatinine, blood urea nitrogen (BUN), and estimated glomerular filtration rate (eGFR), which help diagnose and monitor kidney diseases.

Blood tests in personalized medicine help tailor treatments to individual genetic profiles, ensuring more effective and safer healthcare outcomes.