Diagnosis of Gastritis
Often, a diagnosis can be made based on the patient's description of his or her symptoms, but other methods which may be used to verify gastritis include:
Often, a diagnosis can be made based on the patient's description of his or her symptoms, but other methods which may be used to verify gastritis include:
- Blood tests: 
- Blood cell count
 - Presence of H. pylori
 - Pregnancy
 - Liver, kidney, gallbladder, or pancreas functions
 
 - Urinalysis
 - Stool sample, to look for blood in the stool
 - X-rays
 - ECGs
 - Endoscopy, to check for stomach lining inflammation and mucous erosion
 - Stomach biopsy, to test for gastritis and other conditions
 
(wikipedia)