Question: Diagnostic esophagogastroduodenoscopy was performed for a patient with suspected ulcers. The endoscope was inserted in the pharynx and was passed all the way through to the jejunum, which revealed ulcers of the stomach, pylorus, and duodenum. The patient tolerated the procedure well and was sent home with prescriptions and a referral to a nutritionist. Select the appropriate CPT and ICD-10-CM codes.