What is the correct code to report a revision of previous left brachiocephalic arteriovenous (AV) fistula with ligation of the large arterialized collateral? The arterialized collateral originated approximately 3 cm above the antecubital crease on the lateral aspect of the fistula. After local anesthetic was infiltrated over this area, an incision was made and carried down through the subcutaneous tissue. The arterialized vein was located and carefully dissected circumferentially and traced to its origin from the main arterialized cephalic vein. It was triply ligated with silk sutures, improving central fistula flow. Careful inspection of the fistula could not identify any other significant collaterals. As a result, this wound was irrigated and closed by approximating the subcutaneous tissue and closing the skin in typical fashion. ...

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Note:  The following article synopsis was NOT provided by the AMA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article discusses a coding question involving revision of a hemodialysis arteriovenous access with ligation of an arterialized collateral and compares it with other open AV access revision concepts. It is intended for coders, billers, and clinicians who work with dialysis access procedures and need to understand the scope of revision versus ligation services. The article focuses on procedure identification, related access-revision concepts, and the distinction between separate AV access operations.

Why This Topic Matters

Correctly classifying hemodialysis access procedures affects coding accuracy, claim integrity, and consistent reporting of AV fistula services. This topic is especially relevant when the operative note describes branch ligation or access revision rather than complete access closure.

Codes Discussed

• CPT: 36832
• CPT: 37607

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