Coding Brief: Reporting Codes 64490 and 64494 (August 2024)

August 2024 pages 1-3 Coding Brief: Reporting Codes 64490 and 64494 Although codes 64490-64495 (facet joint injection procedures) were established in the Current Procedural Terminology (CPT®) 2010 code set, confusion remains regarding the appropriate use of the add-on codes when facet joints are injected at different levels during the same session. The confusion was compounded when the parenthetical note following code 64494 was updated in the CPT 2023 code set. This coding brief clarifies when it would be appropriate to report add-on code 64494 with the primary procedure code 64490 during the same operative session, ie, when treating...

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

Article Overview

This premium coding brief reviews updated CPT guidance for reporting facet joint injection procedures in the nervous system section. It is aimed at coding professionals who need to understand how the 2024 article discusses code relationships, spinal level distinctions, laterality, and the types of scenarios illustrated in the accompanying table. The content helps readers evaluate reporting in a way that reflects the CPT 2023 revision and the 2024 codebook context without relying on the article alone.

Why This Topic Matters

Facet joint injection coding can be complicated when procedures involve multiple spinal levels or bilateral treatment in the same session. This article addresses a specific source of confusion in CPT add-on reporting and is relevant for compliant professional and facility coding workflows.

Article Sections

  1. August 2024 pages 1-3

    Introductory article framing the topic and the code set context for the guidance that follows.

  2. Coding Brief: Reporting Codes 64490 and 64494

    Overview of the reporting issue, including the focus on facet joint injection procedures and the revision history discussed in the brief.

  3. Table 1. Treating Facet Joints at Different Levels and Laterality

    A summary table of general reporting scenarios organized by spinal region, number of levels, and laterality, along with associated unit patterns and modifier use.

What You Will Learn

  • The general CPT context for facet joint injection procedures
  • How the article frames add-on code reporting questions
  • How the brief discusses level-based and bilateral treatment scenarios
  • What kinds of examples are shown in the accompanying table
  • Which code set revision context is referenced by the article

Who Should Read This

  • Professional coders
  • Coding auditors
  • Physician billing staff
  • Compliance teams
  • Pain management coding specialists

Codes Discussed

  • CPT: 64490
  • CPT: 64494
  • CPT: 64495
  • CPT: 64493
  • CPT: 64491
  • CPT: 64492

Code Ranges Discussed

  • CPT: 64490-64495

Modifiers Discussed

  • CPT: 50

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