Endovascular Embolization of Arteriovenous Malformation Using Onyx

A patient diagnosed with ruptured left-sided transverse-sigmoid sinus dural arteriovenous fistula or malformation (AVM) underwent endovascular Onyx-18 liquid embolization. The provider documented satisfactory obliteration of arteriovenous fistula via the primary feeding pedicle off the distal branch of the left vertebral artery. What is the correct root operation for the injection of Onyx-18 liquid embolic agent? Is the Onyx-18 liquid embolic agent considered a device in ICD-10-PCS? ...

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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 addresses an ICD-10-PCS question involving endovascular treatment of an arteriovenous malformation or dural arteriovenous fistula using a liquid embolic agent. It is aimed at coding professionals who need to understand how the procedure is characterized in ICD-10-PCS and how the embolic material is treated in the context of device reporting. The article focuses on the coding perspective for an intracranial vascular intervention and discusses the procedure setting, the material used, and the resulting code assignment approach.

Why This Topic Matters

Endovascular neurovascular procedures often involve materials and terminology that can affect ICD-10-PCS reporting. This article is relevant for coders who need to distinguish procedure intent, operative site, and device reporting in a complex vascular case.

What You Will Learn

  • How an endovascular embolization case is framed for ICD-10-PCS coding
  • How the embolic material is treated in the context of device reporting
  • How the article approaches selection of the ICD-10-PCS code for the procedure
  • How the clinical scenario relates to intracranial vascular intervention coding

Who Should Read This

  • Hospital inpatient coders
  • ICD-10-PCS coding specialists
  • Clinical documentation improvement staff
  • Coding auditors
  • Revenue cycle professionals

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