CodingQuestion 11 of 100

Modifier 26 is appended to a diagnostic service to indicate that only the:

a.Professional component (the physician's interpretation) is being billed
b.Technical component (equipment and supplies) is being billed
c.Global service including both components is being billed
d.Service was performed by a resident under supervision

Explanation

Many diagnostic tests, such as radiology, have a professional component (the provider's interpretation and report) and a technical component (the equipment, supplies, and technician). Modifier 26 reports the professional component alone. Modifier TC reports the technical component, and a code billed without either modifier represents the global (combined) service.

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