Cryoablation, retroperitoneal lymph node

A patient with a left retroperitoneal lymph node presents for biopsy and cryoablation. Non-contrast CT images were performed initially. A guiding needle and a biopsy needle were passed into the nodule via CT guidance to obtain the core biopsies. Because the cryoablation was performed with 2 freeze cycles and the images obtained during each cycle, would the NCCI biopsy guidelines apply in this case? What are the correct CPT code assignments for the procedure performed? ...

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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 premium article discusses CPT reporting for a retroperitoneal lymph node procedure involving CT guidance, biopsy needle placement, and cryoablation. It is intended for coders and billing staff who need help understanding how the service is described in the operative scenario and how the coding discussion approaches bundled and unlisted procedure reporting at a high level.

Why This Topic Matters

Accurate coding for image-guided ablation cases can affect claim submission, documentation requirements, and whether separate reporting is appropriate for related services.

What You Will Learn

  • How a retroperitoneal lymph node cryoablation encounter is characterized for coding purposes
  • How the article frames the relationship between biopsy work and the ablation service
  • What general considerations are mentioned for reporting an unlisted CPT procedure code
  • How CT guidance and intra-procedural imaging are part of the scenario discussed

Who Should Read This

  • Medical coders
  • Coding auditors
  • Billing staff
  • Physician practices
  • Hospital coding departments

Codes Discussed

  • CPT: 49999

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