Occasionally when a free flap breast reconstruction is performed (code 19364 ), one of the arteries or veins anastomosed for the free flap becomes thrombosed, resulting in the need for a new vascular anastomosis. Some surgeons report the appropriate anatomic blood vessel repair codes within the 35201 - 35286 code series for the re-anastomosis. It is my understanding of the blood vessel repair codes that the definition or intent of these codes does not meet the re-anastomosis in free flap breast reconstruction, and the use of modifier 22, Increased Procedural Services, would be more appropriate if the surgeon documented the extra time, work, and effort involved in resolving this complication. Which method of reporting is correct? ...

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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 explains a breast reconstruction coding scenario involving intraoperative vascular thrombosis and postoperative return-to-surgery management. It is aimed at coders and surgeons who need to understand how the discussion distinguishes flap reconstruction reporting from separate vascular repair and exploration coding, and it highlights the role of documentation and modifier usage in that context.

Why This Topic Matters

Correct reporting of complex reconstructive surgery can affect claim accuracy and compliance. The article is relevant for professionals handling breast reconstruction, vascular repair, and postoperative complication scenarios.

Codes Discussed

• CPT: 19364
• CPT: 35201
• CPT: 35286
• CPT: 35860
• CPT: 35206
• CPT: 69990

Code Ranges Discussed

• CPT: 35201-35286

Modifiers Discussed

• CPT: 22

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