CPT Code 91010: Esophageal Motility Study With Interpretation and Report

Know more about the 91010 CPT code’s guidelines and clinical applications to enhance your knowledge and ensure accurate coding in your practice.

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Frequently asked questions

Modifier 26 (Professional Component) is appended to CPT code 91010 when only the interpretation and report of the esophageal manometry study are performed by the physician, without the technical component of the test being conducted by that provider.

CPT 91010 (esophageal manometry) and CPT 43235 (esophagogastroduodenoscopy, EGD) represent distinct procedures and can be billed separately if performed on the same day, provided documentation supports that they are separate and medically necessary services. Proper use of modifiers may be required to indicate distinct procedural services.

The esophageal motility study represented by CPT 91010 typically involves continuous measurement of esophageal muscle function over a period ranging from approximately 30 minutes to 1 hour, depending on the protocol and clinical indication.