AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2021 Issue 2; Ask the Editor
Thromboendarterectomy with Deconstruction of Internal Carotid Artery
A patient with stenosis of the left cervical internal carotid artery (ICA) and left hemispheric embolic stroke underwent left-sided thromboendarterectomy. At surgery, an arteriotomy was started from the common carotid artery and extended up into the highest exposed portion of the ICA. A large fragment of thrombotic calcific plaque including intraluminal thrombus was removed. As the distal extent of this plaque material was followed within the ICA, there was no end that could be visualized, and there was no robust backbleeding. The surgeon felt that it would be too risky to reconstitute the antegrade flow. After allowing for backbleeding from the external carotid artery (ECA), the surgeon then deconstructed the proximal ICA, utilizing suture material. Clamps were removed from the common carotid and ECA, allowing for egress of flow from the common carotid to the external and superior thyroid artery. There was no flow into the ICA. What are the appropriate ICD-10- PCS codes for this procedure? ...
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Article Overview
This article explains a vascular surgery case centered on the carotid arteries and asks which ICD-10-PCS codes apply to the procedure. It is intended for coding professionals, auditors, CDI staff, and others who need to understand how the operative details are mapped in ICD-10-PCS. The discussion focuses on how the procedure is described in the operative report and the coding considerations raised by the vessel location, the type of intervention, and the intraoperative end result.
Why This Topic Matters
Accurate ICD-10-PCS reporting for vascular procedures depends on understanding the operative anatomy and the distinction between different procedural components documented in the record. This topic is important for coding accuracy, compliance, and consistent abstraction of complex carotid surgery cases.
What You Will Learn
- How a carotid artery operative report is analyzed for ICD-10-PCS assignment
- What procedural elements in a vascular surgery case are relevant to code selection
- How complex internal carotid artery interventions are presented in a coding discussion
- Which documentation details matter when reviewing a thromboendarterectomy case
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation integrity specialists
- Revenue cycle professionals
- Health information management professionals
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