IBU/APS Selection Guidelines 6/10/2026 These guidelines provide assistance in selecting when an IBU interview or an APS is most appropriate. First select a CLASSIFICATION in the left column. Then select a SUBCATEGORY from the middle column. IBU/APS selection guidelines are presented in the RECOMMENDATIONS column. GASTROENTEROLOGY CARDIOLOGY CONNECTIVE TISSUE DISEASES DERMATOLOGY EAR, EYE, NOSE AND THROAT ENDOCRINOLOGY GASTROENTEROLOGY GENITOURINARY GYNECOLOGY HEMATOLOGY MISCELLANEOUS NEUROLOGY PSYCHIATRY PULMONARY RHEUMATOLOGY VASCULAR Dysphagia Acid Reflux (Heartburn) Anal Fissures Barrett’s Esophagus Cholecystitis Cirrhosis Crohn’s Disease Diverticulitis Diverticulosis Dysphagia Esophageal Stricture Fatty Liver Gastric Bypass Gastritis Gilbert’s Disease Hematemesis Hematochezia Hepatitis Hepatomegaly Hernia Intestinal Obstruction Irritable Bowel Syndrome (IBS) Melena Occult Blood Pancreatitis Polyp Ulcer Ulcerative Colitis Ulcerative Proctitis GASTROENTEROLOGY → Dysphagia Order an IBU unless any of the following are disclosed: - If known cause, see specific impairment for guidelines - Recurrent episodes with inadequate evaluation - Age > 50 with symptoms in the past 12 months © IBU, Inc. 2026 • 9450 SW Gemini Drive, PMB 26517 • Beaverton, OR 97008-7105 • 877-203-4592