AMA Clinical Examples in Radiology - 2008 Issue 2 (Spring)
Percutaneous Ultrasound-guided Radiofrequency Ablation (RFA) of the Liver
Percutaneous Ultrasound-guided Radiofrequency Ablation (RFA) of the Liver Clinical History 65-year-old male presented with symptomatic hepatic neuroendocrine liver metastases for ultrasound-guided radiofrequency ablation. Procedure 99144 99145 × 2 Medications: midazolam 4 mg IV, fentanyl 200 mcg IV. Sedation was monitored by a nurse. Moderate sedation time was 60 minutes. 76940 The 4.2 cm mixed echogenicity liver mass was localized under ultrasound guidance, and a 4 cm RFA probe deployed across the deeper 47382 portion and radiofrequency energy was applied with rolloff achieved at 21.5 minutes and 4.5 minutes. Next the probe was repositioned into a smaller...
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Article Overview
This clinical coding article explains how a percutaneous liver tumor ablation case is documented and reported, with emphasis on CPT reporting for the procedure, associated moderate sedation, and separately reportable imaging guidance. It also places the case in a broader CPT context by comparing related ablation procedures across liver, bone, kidney, lung, and venous treatments. The article is useful for coders, billers, and radiology professionals who need to understand when guidance and sedation are reported separately and how similar ablation services are categorized.
Why This Topic Matters
Correct reporting of interventional radiology procedures depends on identifying the primary ablation service, any separately reportable sedation, and the appropriate imaging guidance code set. This article helps readers recognize the coding structure used for liver tumor ablation and how it fits with other CPT ablation scenarios.
Article Sections
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Clinical History
Summarizes the patient context and the type of liver-directed intervention described in the case.
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Procedure
Presents the procedural narrative, including sedation, imaging support, lesion treatment, and immediate procedural details.
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How to Code
Explains the CPT reporting framework associated with the case and the general categories of services addressed.
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Coding Tip
Provides supplemental guidance on related CPT appendix material and when moderate sedation may be separately reported.
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Discussion
Reviews broader context for liver tumor ablation and compares the procedure category with other tumor ablation services.
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Other RFA Codes
Briefly surveys related CPT ablation and guidance code categories across other anatomic sites and procedure types.
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Endnotes
Lists source notes and citation material supporting the article.
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References
Provides bibliographic references used in the article.
What You Will Learn
- How the article frames a percutaneous liver ablation case for coding purposes
- Which broad CPT service categories are discussed for the procedure and supporting services
- How the article relates liver ablation coding to other tumor ablation examples
- What types of supplemental guidance are mentioned for reviewing CPT material
Who Should Read This
- CPT coders
- Radiology coders
- Billing staff
- Interventional radiology professionals
- Compliance reviewers
Codes Discussed
Code Ranges Discussed
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