CPT® 91038, Under Gastroesophageal Reflux Test Studies

The Current Procedural Terminology (CPT®) code 91038 as maintained by American Medical Association, is a medical procedural code under the range - Gastroesophageal Reflux Test Studies.

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The provider performs gastroesophageal reflux test to determine the backflow of acid from the stomach into the esophagus with a nasal catheter intraluminal impedance electrode placement for more than 1 hour and up to 24 hours. A computer records the data, which the provider interprets and prepares a written report.

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