Summary & Overview
CPT 35221: Abdominal Blood Vessel Repair
CPT code 35221 designates surgical repair of an abnormal or damaged blood vessel in the abdomen. This code captures a focused vascular procedure that lies within inpatient and outpatient surgical care and is relevant for hospitals and vascular surgery practices. Nationally, accurate coding for abdominal vascular repair affects clinical documentation, surgical quality reporting, and payment pathways for high-acuity vascular procedures.
Key payers commonly involved in coverage decisions for this service include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find this publication useful for understanding the clinical context of the code, the typical sites where the service is delivered, and the operational considerations that influence billing and claims adjudication. The analysis also summarizes common modifiers associated with complex surgical services and highlights areas where documentation supports appropriate code selection.
This overview is designed to inform coding staff, revenue cycle professionals, and clinical leaders about the role of CPT code 35221 in surgical vascular care, what to expect in payer interactions, and where to focus documentation to reflect the nature and intensity of the repair procedure.
Billing Code Overview
CPT code 35221 describes a surgical repair of an abnormal or damaged blood vessel located in the abdomen. This procedure involves operative correction of vascular injury or pathology of intra-abdominal vessels and is performed to restore vessel integrity and blood flow.
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Service type: Open vascular surgical repair
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Typical site of service: Hospital operating room (inpatient or outpatient surgical setting depending on clinical factors)
Clinical & Coding Specifications
Clinical Context
A typical patient is a 68-year-old male with progressive abdominal pain, a palpable pulsatile abdominal mass, and imaging-confirmed infrarenal abdominal aortic aneurysm with a contained leak or localized degeneration of an abdominal arterial segment requiring open surgical repair. The clinical workflow begins with emergency or scheduled evaluation in the hospital including history, focused vascular exam, baseline labs, and cross-sectional imaging (CT angiography). Preoperative clearance and informed consent are obtained. In the operating room under general anesthesia, the vascular surgery team performs exposure of the affected abdominal vessel, controls proximal and distal flow, excises or repairs the abnormal segment with primary repair, patch angioplasty, or interposition graft as indicated, confirms hemostasis, and closes. Postoperative care occurs in a monitored setting with serial exams, vascular assessments, imaging as needed, and inpatient recovery before discharge. Typical site of service is an acute care hospital operating room or a specialized inpatient vascular surgery suite. Typical service type is open vascular repair of an abdominal blood vessel.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when the work required to perform the procedure is substantially greater than typical (e.g., dense adhesions, hostile abdomen). |