system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Most accurate, inexpensive, noninvasive, simpler test of Helicobacter pylori
assistant
The correct answer is  (C) Urea breath test TESTS COMMONLY USED TO DETECT H. PYLORI:NoninvasiveSerologyInexpensive & convenientCannot be used for early follow-up; some commercial kits inaccurate13C or14C urea breath testInexpensive and simpler than endoscopy; useful for follow-up after treatmentLow-dose irradiation in 14C testStool antigen testInexpensive and convenient; useful for follow-up after treatment; may be useful in childrenNew test; role not fully established; appears less accurate than urea breath test