???? Understanding CPT Code 91035 for GERD Diagnosis Introduction: The gastroesophageal reflux test monitors acid abnormalities in the stomach. In medical billing, CPT Code 91035 is used for the gastroesophageal reflux test. Proper documentation during claim submission is critical for correct reimbursements. Therefore, clinics often partner with billing experts https://knox528ad.blogitright.com/38684906/h1-everything-you-should-know-about-cpt-code-91035-h1