The cost of the Carbon 13 Urea Breath Test is approximately between 100 and 200, and the cost of the test may vary from hospital to hospital. 1. The Carbon 13 Urea Breath Test is a medical test used to detect Helicobacter pylori. The test detects the presence or absence of H. pylori infection by measuring the composition of the exhaled breath. The test is relatively quick, painless and radiation-free. 2. Patients with suspected H. pylori infection or peptic ulcers may need to undergo a carbon 13 urea breath test. However, it is best to go to the hospital and ask the doctor’s advice before deciding whether or not to take the test, taking into account your own situation. The test should be done on an empty stomach or two hours after a meal, and the patient should not have taken antibiotics, bismuth, proton pump inhibitors, etc. in the past month, otherwise the test result will be false negative.