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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Article Overview
This premium article covers a CPT 2021 coding update for ophthalmology focused on trabeculostomy ab interno by laser. It is intended for coders, billers, and ophthalmology practices that need to understand the scope of the new Category III reporting options, related existing eye procedure code groups, and the accompanying parenthetical guidance. The article also includes clinical examples and procedural descriptions to illustrate the general scenarios addressed by the update.
Why This Topic Matters
Accurate reporting of newer ophthalmic procedures depends on knowing where they fit in the CPT code set and how they differ from related glaucoma surgery codes. This article helps readers identify the relevant guidance for documentation, reporting, and code selection review in glaucoma-related laser procedures.
Article Sections
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Category III Codes
Introduces the new CPT Category III reporting topic and places it in the context of glaucoma-related ophthalmic procedures. It also notes related parenthetical guidance tied to the new entries.
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Coding Tip
Summarizes supplementary coding guidance associated with the new procedure reporting topic. The section addresses how the article frames related work and reporting considerations.
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Clinical Example (0621T)
Presents an example scenario and a corresponding procedural narrative for one of the new reporting options. The material illustrates the general clinical setting in which the code is discussed.
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Description of Procedure (0621T)
Provides a stepwise procedural narrative associated with the first example. It focuses on the broad operative workflow and equipment context.
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Clinical Example (0622T)
Presents an example scenario and a corresponding procedural narrative for the second new reporting option. The material illustrates an alternate clinical setting discussed in the article.
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Description of Procedure (0622T)
Provides a stepwise procedural narrative associated with the second example. It focuses on the broad operative workflow and equipment context.
What You Will Learn
- How the article frames the new CPT Category III ophthalmology update
- Which general glaucoma-related procedure topics are compared in the discussion
- What types of supplementary guidance accompany the new reporting topic
- How the article presents illustrative clinical scenarios and procedural narratives
Who Should Read This
- Medical coders
- Ophthalmology billers
- Glaucoma practice staff
- Revenue cycle teams
- Coding educators
Codes Discussed
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