IBU/APS Selection Guidelines 5/14/2024 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 Hypothyroidism 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 → Hypothyroidism Order an IBU unless any of the following are disclosed: - Diagnosis in the past six months with ongoing symptoms - Recent onset of symptoms with suspected diagnosis, not confirmed © IBU, Inc. 2024 • 157 Church Street, 19th Floor • New Haven, CT 06510 • 877-203-4592