AMA CPT® Assistant - 2013 Issue 4 (April)

Ophthalmic Anterior Segment Imaging (April 2013)

April 2013 page 7 Ophthalmic Anterior Segment Imaging Two techniques are used to image the cornea and other portions of the anterior segment of the eye: ultrasound and a new method using optical coherence tomography (OCT). Both technologies provide cross-sectional images, which include areas of the eye that cannot be seen with conventional optical methods. Ultrasound imaging has long been utilized to evaluate the anterior segment of the eye. OCT is a new technology that uses a beam of infrared light to provide a digital cross-sectional image of the same structures. CPT differentiates between these two technologies. If water...

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CPT® Assistant content is the official source for CPT® coding guidance. It is an instrumental tool when appealing insurance denials and validating coding to auditors. Monthly issues and an extensive archive provide comprehensive guidance on proper CPT® coding for past, present and upcoming code set releases. Archives date back to 1990 for historical use of codes, changes, rationales, coding tips and trends in the industry.

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