CPT® 91040, Under Esophageal Balloon Distension Study and Breath Test

The Current Procedural Terminology (CPT®) code 91040 as maintained by American Medical Association, is a medical procedural code under the range - Esophageal Balloon Distension Study and Breath Test.

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The provider performs esophageal balloon dilation to determine whether the patient’s chest pain results from esophageal or cardiac causes. The procedure includes provocation, if performed. Provocation refers to application or instillation of some type of chemical agent to elicit a response, such as chest pain in this case, in the structure being studied.

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