Nurses are often responsible for collecting various specimen types including urine, stool, sputum, wound drainage and blood. It is important to ensure patient comfort, privacy, and to provide clear instructions. Specimens must be properly labeled, timed, and transported promptly to the laboratory. Common urine tests include urinalysis and urine culture and sensitivity tests to detect infections. Stool, sputum, and other specimens also provide information to diagnose various health conditions.