New and Discontinued HCPCS Level II codes

HCPCS Level II Code Long Descriptor Effective Date C1831 Personalized, anterior and lateral interbody cage (implantable) October 1, 2021 C9081 Idecabtagene vicleucel, up to 460 million autologous anti-bcma car-positive viable t cells, including leukapheresis and dose preparation procedures, per therapeutic dose October 1, 2021 C9082 Injection, dostarlimab-gxly, 100 mg October 1, 2021 C9083 Injection, amivantamab-vmjw, 10 mg October 1, 2021 C9084 Injection, loncastuximab tesirine-lpyl, 0.1 mg October 1, 2021 C9779 Endoscopic submucosal dissection (esd), including endoscopy or colonoscopy, mucosal closure, when performed October 1, 2021 C9780 Insertion of central venous catheter through central venous occlusion via inferior and...

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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 covers a quarterly HCPCS Level II update from CMS that lists newly established and discontinued codes along with their effective dates. It is useful for coders, billers, compliance staff, and reimbursement teams who track HCPCS maintenance changes, temporary code transitions, and coverage-related updates. The content is focused on code set changes and the surrounding administrative context for the 2021 update cycle.

Why This Topic Matters

HCPCS Level II updates can affect charge capture, claims processing, code maintenance, and system edits. Readers looking for a concise inventory of the affected codes and effective dates can use this article to identify whether the update touches their services or products.

Article Sections

  1. New HCPCS Level II codes

    Lists newly added HCPCS Level II codes from the update and associates them with effective dates. The section is organized as a code table reflecting the quarterly CMS release.

  2. Discontinued HCPCS Level II codes effective October 1, 2021

    Lists HCPCS Level II codes identified as discontinued in the update and provides their effective dates. The section presents the affected items in a table format.

What You Will Learn

  • How the quarterly HCPCS Level II update is organized
  • Which HCPCS Level II codes were newly listed in the update
  • Which HCPCS Level II codes were discontinued in the update
  • The effective-date framework used in the CMS file
  • How the article is structured around code maintenance changes

Who Should Read This

  • Medical coders
  • Billing staff
  • Revenue cycle professionals
  • Compliance teams
  • Healthcare administrators
  • Reimbursement analysts

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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