CPT® 91133, Under Gastric Physiology Procedures

The Current Procedural Terminology (CPT®) code 91133 as maintained by American Medical Association, is a medical procedural code under the range - Gastric Physiology Procedures.

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The provider performs diagnostic transcutaneous electrogastrography to measure the electrical activity of the stomach muscles with and without drug induced provocation of gastric myoelectrical activity. He performs this procedure to evaluate for possible motility disorder.

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