AMA CPT® Assistant - 2019 Issue 6 (June)
Cellular and Gene Therapy (June 2019)
June 2019 pages 5-6 Cellular and Gene Therapy For the 2019 Current Procedural Terminology (CPT®) code set, a new subsection titled "Cellular and Gene Therapy," new guidelines, and four new Category III codes (0537T, 0538T, 0539T, 0540T) have been added to describe chimeric antigen receptor T-cell (CAR-T) therapy services. Codes 0537T-0540T describe the various steps required to collect, prepare, transport, receive, and administer genetically modified T cells. This article provides guidance for the appropriate reporting of services and procedures related to CAR-T therapy. Cellular and Gene Therapy 0537TChimeric antigen receptor T-cell (CAR-T) therapy; harvesting of blood-derived T...
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Article Overview
This CPT Assistant article explains the 2019 update introducing a new Cellular and Gene Therapy subsection, related reporting guidelines, and code-family guidance for CAR-T therapy services. It is relevant to coders, billing staff, and clinical documentation teams working with cellular therapy procedures, especially where multiple handoff steps, facility processes, and noninherent services may affect reporting. The article also includes clinical examples and procedural descriptions illustrating the broader workflow covered by the new guidance.
Why This Topic Matters
Cellular and gene therapy coding involves specialized procedural steps and documentation that can affect claim accuracy and compliance. This article helps readers understand the scope of the CPT update and the general categories of services addressed.
Article Sections
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Cellular and Gene Therapy
Introduces the 2019 CPT update for this service area and explains the overall purpose of the new guidance. It also frames the article around CAR-T therapy workflows and related reporting topics.
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Guidelines
Summarizes the general reporting framework for the service family and the types of activities addressed by the new guidance. It also notes which broad categories of services are outside the scope of the new subsection.
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Coding Tip
Provides a brief reminder about reporting frequency and date-of-service handling. The section reinforces the general operational focus of the article without adding new coding concepts.
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Clinical Example (0537T) / Description of Procedure (0537T)
Presents an illustrative scenario paired with a procedure narrative for one of the new CAR-T-related services. The example shows how the article connects the guidance to a typical workflow.
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Clinical Example (0538T) / Description of Procedure (0538T)
Presents an illustrative scenario paired with a procedure narrative for another step in the CAR-T process. The section focuses on handling, transfer, and documentation activities associated with that workflow.
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Clinical Example (0539T) / Description of Procedure (0539T)
Presents an illustrative scenario paired with a procedure narrative for the next stage in the CAR-T process. The section addresses receipt, preparation, and related quality-control activities.
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Clinical Example (0540T) / Description of Procedure (0540T)
Presents an illustrative scenario paired with a procedure narrative for the administration stage of the CAR-T process. The section emphasizes supervision, monitoring, and immediate peri-administration workflow.
What You Will Learn
- How the 2019 CPT update organizes cellular and gene therapy guidance
- Which broad stages of CAR-T therapy are addressed in the article
- What kinds of supporting guidance are included for reporting related services
- How the article uses clinical examples to illustrate the new guidance
- What documentation themes are emphasized across the CAR-T workflow
Who Should Read This
- Medical coders
- Billing staff
- Compliance teams
- Clinical documentation specialists
- Physician practices
- Hospital outpatient departments
Codes Discussed
Code Ranges Discussed
Modifiers Discussed
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