AMA CPT® Assistant - 2021 Issue 9 (September)

Trabeculostomy Ab Interno: New Category III Codes

Trabeculostomy Ab Interno: New Category III Codes For the Current Procedural Terminology (CPT ®) 2021 code set, two new Category III codes (0621T, 0622T) were established to report trabeculostomy ab interno by laser for patients with glaucoma who have been unresponsive to laser trabeculoplasty or medication. This article will focus on the intent and appropriate use of these new codes. Category III Codes ●0621T Trabeculostomy ab interno by laser; ●0622T with use of ophthalmic endoscope (Do not report 0621T, 0622T in conjunction with 92020) There are existing codes for reporting glaucoma surgery (65820, 65855, 66761, 66762, 66821); however...

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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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