Vascular Surgery Billing Services
Vascular surgery billing mixes open surgery, catheter-based procedures, and office testing. One visit can involve imaging, an angioplasty, and a stent, and each piece has its own coding rules. Endovascular codes often bundle the catheter placement, imaging, and closure, so adding them separately can cause denials.
Vascular groups also run office-based labs, treat dialysis access, and offer vein treatment that payers may review for medical necessity. Global periods range from none to 90 days depending on the code. A vascular surgery billing company has to track lesion location, vessel, and the work done, then match all of that to the correct code.
Who this is for
- Vascular surgeons in private practice or hospital groups
- Practices with an office-based lab for vascular procedures
- Groups that manage dialysis access and fistula care
- Vein clinics that treat varicose veins and venous disease
- Surgeons who work in hospitals and ambulatory surgery centers
What gets billed
- Carotid endarterectomy
- Endovascular repair of aortic aneurysms
- Lower extremity bypass
- Balloon angioplasty, stenting, and atherectomy of leg arteries
- Dialysis access creation and circuit procedures
- Varicose vein ablation
- Vascular ultrasound and duplex studies
- Diagnostic angiography
- Wound and limb salvage care related to vascular disease
- Consultations and decision-for-surgery visits
Commonly billed codes
| Code | Type | What it covers |
|---|---|---|
| 35301 | CPT | Carotid artery endarterectomy |
| 34701 | CPT | Endovascular repair of an abdominal aortic aneurysm using a straight tube graft |
| 37228 | CPT | Opening a blocked tibial or peroneal artery with angioplasty |
| 37224 | CPT | Opening a blocked femoral or popliteal artery with angioplasty |
| 36902 | CPT | Dialysis circuit angioplasty with imaging |
| 36475 | CPT | Radiofrequency closure of the first incompetent vein in a leg |
| 35556 | CPT | Bypass from the femoral to the popliteal artery using vein |
| 93970 | CPT | Duplex ultrasound of leg veins on both sides |
| 93925 | CPT | Duplex ultrasound of leg arteries on both sides |
| I70.213 | ICD-10-CM | Hardening of leg arteries with leg pain on walking, both legs |
| I65.21 | ICD-10-CM | Narrowing or blockage of the right carotid artery |
Note
Codes are examples for orientation, not a complete list, and do not guarantee coverage or payment. Always check current code sets and payer policy.
Billing challenges in vascular surgery
Endovascular bundling. Many catheter-based codes already include access, catheter placement, imaging, and closure. A biller experienced in vascular surgery checks code descriptions and edits so bundled services are not billed twice.
Vessel and lesion coding. Leg revascularization codes depend on the vessel segment and the type of treatment, such as angioplasty, stent, or atherectomy. Billers read the procedure note to select the code that matches what was done.
Office-based lab billing. Procedures done in the office are paid differently from hospital outpatient work. Billers confirm the place of service and that equipment and supply documentation is complete.
Medical necessity for vein treatment. Payers often require conservative care, symptom records, and ultrasound findings before they pay for vein ablation. Billers collect records before scheduling and check each payer's policy.
Global periods and modifiers. Procedures can carry 0, 10, or 90-day globals. Billers apply modifier 57 to visits that lead to major surgery, 78 to unplanned returns, and 58 to planned staged procedures when documentation supports it.
Bilateral and multiple procedures. Payers reduce payment for additional procedures and may treat bilateral work in different ways. Billers check each payer's rules before using modifier 50 or 51.
Dialysis access reporting. Circuit work may include several services in one session. Billers confirm which vessel and which services were performed so the claim reflects the note.
How Westmont can help
- Matches your group with vetted medical billing experts who work with vascular surgeons
- Connects you with end-to-end revenue cycle support, including office-based lab billing
- Helps you find denial management support for bundling and medical necessity denials
- Connects you with credentialing support for surgeons and added locations
- Provides a path to a quote based on your procedure mix
Frequently asked questions
Why are vascular surgery claims denied for bundling?
Many endovascular codes already include catheter placement, imaging, and closure. If those are billed separately, payers may deny them under correct coding edits. A vascular surgery billing company reviews code descriptions and payer edits before submission, then appeals only when the operative note supports separate payment.
What is the global period for vascular procedures?
It depends on the code. Open surgeries often carry a 90-day global period, while many catheter-based procedures carry 0 or 10 days. Medicare publishes the indicator for each code. Check the current fee schedule and payer policy to confirm before you set billing rules.
How are vein ablation procedures billed?
Billing depends on the vein treated, the method, and whether it is the first vein or an add-on. Many payers require a duplex ultrasound, symptoms, and a trial of conservative care. Documentation should show medical necessity, since cosmetic treatment is usually not covered.
Can a vascular surgeon bill for ultrasound in the office?
Yes, if the study is medically necessary, ordered, performed, and documented, and the provider and equipment meet payer requirements. The report must include a signed interpretation. Billers check whether the global or technical and professional components apply.
What should be tracked for office-based lab compliance?
Keep records of orders, medical necessity, procedure notes, supply use, and staff qualifications. Payers may review these during an audit. A biller can flag missing notes before claims go out, but compliance rules are best confirmed with qualified advisors.
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