Lab

Urea Breath Test

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Urea Breath Test, Urease Breath Test

  • Indications
  1. Dyspepsia evaluation
  2. Initial diagnosis of H. pylori
  3. Confirmation of cure after H. pylori management (test 6 weeks after)
  • Mechanism
  1. Measures urease activity
  2. Detected via nonradioactive isotope carbon 13 or carbon 14
  • Efficacy
  • Accurate for Diagnosis for H. pylori
  • Advantages
  1. In-office test with high accuracy
  2. Noninvasive test of H. pylori cure
  • Disadvantages
  1. Stop Proton Pump Inhibitors 2 weeks before test
  2. Patient must fast for 6 hours before test
  3. More expensive than stool antigen testing (averages $133)