AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 1; Ask the Editor

Procedures Performed on a Continuous Vessel, ICD-10-PCS Guideline B4.1c

According to the updated guideline B4.1c, if a carotid endarterectomy is performed on a single continuous lesion involving both the common carotid artery and internal carotid artery, the common carotid artery would be the only body part coded, because it is closest to the heart. We are concerned that data involving carotid endarterectomies would be skewed and procedures performed on both the common carotid and internal carotid arteries would not reflect the complexity involved in the surgery. We are requesting that Coding Clinic clarify this issue. ...

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