Final answer:
The CPT® code for the test is 91034 and the ICD-10-CM code for the diagnosis is K21.9.
Step-by-step explanation:
The CPT® code reported for the test is 91034, which represents an esophageal reflux test using a mucosal attached capsule. The ICD-10-CM code reported for the diagnosis of gastroesophageal reflux is K21.9.