New revised and discontinued codes

New HCPCS Level II codes effective April 1, 2021 HCPCS Level II Code Long Descriptor Effective Date C9074 Injection, lumasiran, 0.5 mg April 1, 2021 C9776 Intraoperative near-infrared fluorescence imaging of major extra-hepatic bile duct(s) (e.g., cystic duct, common bile duct and common hepatic duct) with intravenous administration of indocyanine green (icg) (list separately in addition to code for primary procedure) April 1, 2021 C9777 Esophageal mucosal integrity testing by electrical impedance, transoral (list separately in addition to code for primary procedure) April 1, 2021 G2020 Services for high intensity clinical services associated with the initial engagement...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article summarizes coding updates effective in 2021, including new, revised, and discontinued HCPCS Level II codes as well as new CPT vaccine and Category III codes. It is useful for coding professionals, billers, and compliance teams who need to stay current with quarterly and midyear code changes across specialties such as imaging, surgery, ophthalmology, dermatology, gastroenterology, cardiology, oncology, and immunization services. The article provides a structured update format with effective dates and code-set groupings to help readers quickly identify areas affected by the changes.

Why This Topic Matters

Coding updates can affect claim submission, documentation review, system maintenance, and charge capture. Reviewing these changes helps organizations keep code libraries and workflows aligned with current code-set updates.

Article Sections

  1. New HCPCS Level II codes effective April 1, 2021

    Introduces a set of new HCPCS Level II entries effective in April 2021 across several service areas. The section is organized as a code update list with effective dates.

  2. Revised HCPCS Level II codes as of April 1, 2021

    Covers HCPCS Level II entries whose long descriptors were updated effective April 2021. The section presents the prior and updated wording for comparison.

  3. Discontinued HCPCS Level II codes as of April 1, 2021

    Lists HCPCS Level II entries that were discontinued effective April 2021. The section is formatted as a code status update with effective dates.

  4. New CPT vaccine codes effective July 1, 2021

    Presents newly added CPT vaccine-related codes effective in July 2021. The section focuses on vaccine code updates and their effective date.

  5. New CPT Category III codes effective July 1, 2021

    Lists newly added CPT Category III codes effective in July 2021. The section covers emerging procedures and related code additions.

What You Will Learn

  • Which 2021 code-set updates are grouped by effective date
  • How the article distinguishes new, revised, and discontinued entries
  • Which specialty areas are represented in the update notice
  • How the article organizes HCPCS Level II and CPT updates

Who Should Read This

  • Medical coders
  • Billing and reimbursement staff
  • Compliance teams
  • Revenue cycle professionals
  • Clinical documentation staff

Codes Discussed


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The AHA Coding Clinic for HCPCS includes:

  • The official publication for Level I HCPCS (CPT-4 codes) for hospital providers
  • Also specific Level II HCPCS codes for hospitals, physicians and other health professionals
  • Current newsletters added each quarter
  • Full Archives back to 2001
  • Fully searchable through Find-A-Code's Comprehensive Search
  • Codes mentioned in articles are linked to Code Information pages
  • Code Information page link back to related articles
  • View all the articles associated with any code, right from the code page!
Access to this feature is available in the following products:
  • AHA's Coding Clinic® - HCPCS +Archives

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