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. ENDOCRINOLOGY CARDIOLOGY CONNECTIVE TISSUE DISEASES DERMATOLOGY EAR, EYE, NOSE AND THROAT ENDOCRINOLOGY GASTROENTEROLOGY GENITOURINARY GYNECOLOGY HEMATOLOGY MISCELLANEOUS NEUROLOGY PSYCHIATRY PULMONARY RHEUMATOLOGY VASCULAR Addison�s Disease (Adrenal Insufficiency Addison’s Disease (Adrenal Insufficiency Cushing’s Disease Diabetes Mellitus Gestational Diabetes Goiter Hashimoto’s Thyroiditis Hyper(Hypo)parathyroidism Hyperthyroidism (Grave’s Disease) Hypoglycemia Hypothyroidism Prolactinoma Thyroid Biopsy ENDOCRINOLOGY → Addison�s Disease (Adrenal Insufficiency © IBU, Inc. 2026 • 9450 SW Gemini Drive, PMB 26517 • Beaverton, OR 97008-7105 • 877-203-4592