Measurement of fasting serum gastrin levels is the single best screening test for<unk><unk>  syndrome (ZES). Other tests such as provocative tests include, the secretin stimulation test, calcium stimulation test, secretin-plus-calcium stimulation tests, bombesin test, and protein meal test.
Zollinger-Ellison syndrome screening
Liver mass screening
Barrett's esophagus screening
Inflammatory bowel disease screening
Langerhans cell histiocytosis screening
Enteropathy-associated T-cell lymphoma screening
Autoimmune polyendocrine syndrome screening
Ulcerative colitis screening