AHA Coding Clinic® for HCPCS - 2019 Quarter 1
The reporting of add-on codes
CPT code 93312 , Echocardiography, transesophageal, real-time with image documentation (2D) (with or without M-mode recording); including probe placement, image acquisition, interpretation and report, is a primary code that is appropriate for add on codes 93321 , Echocardiography, transesophageal, real-time with image documentation (2D) (with or without M-mode recording); including probe placement, image acquisition, interpretation and report, follow-up or limited study, and 93325 , Doppler echocardiography color flow velocity mapping . When reporting multiple add-on codes that are not related, can a single primary code be reported for all of the add-on codes? Or, does a single primary code need to be billed for or with each add-on code that is reported? ...
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Article Overview
This article covers the reporting of CPT add-on codes within the HCPCS/CPT framework, including how they relate to primary procedures, how CMS organizes them into reporting categories, and how updates to the add-on code lists are maintained over time. It is aimed at coding professionals, billers, auditors, and others who need to understand the general framework for add-on code reporting and related CMS guidance.
Why This Topic Matters
Add-on code reporting affects how procedure claims are assembled and reviewed, especially when multiple services are performed in conjunction with a primary procedure. Understanding the article helps readers identify the broad CMS/CPT structure and where to look for current add-on code guidance.
Article Sections
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Overview of CPT add-on codes
Introduces add-on codes within the CPT classification and explains their relationship to primary procedures at a high level.
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The primary procedure code
Describes the role of the primary procedure in the CPT framework and how add-on services relate to it conceptually.
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Reporting guidance for HCPCS/CPT add-on codes
Summarizes CMS guidance on how add-on code categories are organized and how related updates are maintained.
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Questions and answers regarding the appropriate reporting of add-ons
Presents example questions and general discussion points about reporting scenarios involving add-on codes and primary procedures.
What You Will Learn
- How CPT add-on codes are distinguished from primary procedures
- How CMS groups add-on codes for administrative purposes
- How annual and quarterly update cycles relate to add-on code guidance
- What kinds of reporting questions commonly arise with add-on code use
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Compliance professionals
- Revenue cycle teams
Codes Discussed
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