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Vascular Surgery Billing Services Billing & RCM Services
Qualigenix codes, bills and follows up on vascular surgery claims for surgeons, office-based labs and vein centers. Our CPC- and CCS-certified coders work from the operative note, the duplex report and your MAC's coverage rules, so each intervention is billed for what was actually done and where it was done.
What Vascular Surgery Billing Demands
Vascular surgery claims pay correctly when the code matches the vessel territory and approach, the place of service and 26/TC split match the setting, and the prior authorization or medical-necessity record is in place before the procedure. Qualigenix handles that work for vascular practices in 48 states, with a 98.2% first-pass clean claim rate on first submission and 98.9% coding accuracy. Call 786-259-0231 to go through your current vascular denials with a specialist.
01
Open vs. Endovascular Coding
The same diagnosis can land in very different code families depending on approach. An abdominal aortic aneurysm repaired with an endograft is coded from 34701–34711, a fenestrated repair from 34841–34848, and an open repair from 35081–35103. Endovascular codes include catheter work and imaging that open cases may bill separately, so a coder used to one family will overbill or underbill the other. When an endovascular attempt converts to open, the operative note has to show where the first approach stopped and why.
02
Vein Ablation and EVAR Pre-Approval
Vein ablation has required Medicare prior authorization in hospital outpatient departments since July 1, 2020, under the CMS OPD prior authorization program. If the hospital's request is non-affirmed, or never submitted and the hospital claim is denied, CMS also denies the related physician and anesthesia claims. Commercial plans set their own rules for ablation, EVAR and elective peripheral interventions, and many want proof of a compression trial before they approve venous treatment.
03
Territory Coding Hierarchy
Codes 37220–37235 divide the leg into three territories: iliac, femoral/popliteal and tibial/peroneal. Within each vessel you report only the most intensive service performed, in this order: atherectomy with stent, stent, atherectomy, then angioplasty. The femoral and popliteal arteries count as a single vessel, and each additional iliac or tibial/peroneal vessel takes an add-on code. Billing angioplasty and a stent separately on the same vessel creates an overpayment auditors look for. Missing a second tibial vessel leaves paid work off the claim.
04
Place-of-Service Payment Gaps
The setting decides who bills what. In an office-based lab (POS 11), the physician bills the global service, practice expense included. In a hospital outpatient department (POS 22) or an ASC (POS 24), the physician bills the professional service and the facility bills its own claim. OIG reported in May 2026 that Medicare pays physicians more for peripheral vascular procedures done in office-based labs than in other settings (OEI-01-24-00250), which is why the place of service on every vascular claim needs to be right.
05
ESRD and Vein Benefit Limits
Dialysis access patients often carry both Medicare and an employer plan. For people entitled to Medicare because of ESRD, the group health plan pays first for a 30-month coordination period, whatever the employer's size. Bill Medicare first inside that window and the claim comes back. Vein patients hit different limits: caps on the number of veins or sessions covered, cosmetic exclusions for spider-vein sclerotherapy, and a required period of conservative treatment.
06
Medical Necessity Documentation
Payers approve and pay vascular interventions on what the record shows. For venous ablation that usually means duplex reflux findings, vein diameter, symptoms and a documented compression trial, as set out in your MAC's venous insufficiency LCD. For peripheral interventions it means lifestyle-limiting claudication or limb-threatening ischemia, ABI or imaging results, and the conservative care tried first. When those details live only in a separate lab report, the claim stalls.
07
Top Vascular Denials
These are the denials that come up most often on vascular claims: A return procedure inside the 90-day global of an open repair, bypass or EVAR, billed without modifier 58, 78 or 79. Catheter placement or imaging billed next to an endovascular code that already includes it, which NCCI edits reject. Vascular lab studies billed globally when the physician only read the study, or billed with modifier 26 when the practice owns the equipment.
PRECISION: WHAT QUALIGENIX DOES
How Qualigenix Fixes Each Vascular Revenue Gap
Qualigenix assigns each vascular gap above to a specific step in our billing workflow, so the fix happens before the claim leaves.
Procedure-Level Coding
Certified coders (CPC and CCS) code each vascular case from the operative note, not the surgeon's pick list. They choose the code family by approach, capture every vessel and add-on, and query the surgeon when the note doesn't support the code. Across all Qualigenix clients, coding accuracy is 98.9%.
Prior Authorization Tracking
We check each scheduled vein, aortic and peripheral case against the payer's prior authorization list, submit the request with the duplex and conservative-care record attached, and track it to a decision before the case date. For Medicare vein ablation in a hospital outpatient department, we confirm the hospital's affirmed decision is on file so your professional claim isn't denied along with theirs.
Territory Checks on Every Claim
Every 37220–37235 claim gets a territory check before release: one primary code per vessel, the highest service in the hierarchy, add-ons only for additional vessels, and laterality on each line.
OBL, ASC and HOPD Billing
We set place of service, the global or 26/TC split, and the fee schedule from where the case actually happened. Office-based lab claims carry the full service. Hospital and ASC claims carry the professional service only, and vascular lab reads go out with modifier 26 when the hospital owns the equipment.
Coverage and ESRD Checks
Before access creation or circuit work, we confirm whether the patient is inside an ESRD coordination period and which plan pays first. For vein patients we check session limits, cosmetic exclusions and the plan's conservative-care rule, so the patient and your front desk know what's covered before treatment starts.
Pre-Bill LCD Review
Before a claim goes out, a coder compares the note and lab report with your MAC's venous and peripheral coverage criteria. A missing reflux value, a missing ABI or an undocumented compression trial goes back to the surgeon as a query before the payer ever sees the claim.
Denial and Global-Period Appeals
When a vascular claim denies, we read the reason code, correct the modifier or documentation gap, and appeal with the operative note and duplex attached. Across all specialties, 79% of the denials Qualigenix works are overturned.
OBL Compliance Monitoring
Compliance monitoring for office-based labs covers sampled claim reviews against the documentation and per-physician volume reports on atherectomy and tibial work, so outliers surface inside your practice first. Qualigenix holds a 98.6% compliance and audit pass rate.
CASE STUDY 01
How A Vascular Surgery Practice Recovered $85K On Vascular-Lab TC/26 Errors
THE SITUATION
Duplex vascular studies (93970/93971) performed at hospital sites were billed globally by the group, so the technical component duplicated the facility's charge and denied, while selective catheterization (36247) bundling was mishandled.
WHAT QUALIGENIX DID
We applied modifier 26 on facility-read vascular-lab studies, reserved global billing for in-office studies, and corrected selective-catheterization bundling.
Key Outcomes & Turnaround
17% to 5.7%Denial Rate
$85,000Revenue Recovered
79% to 97%Clean Claim Rate
Modifier 26 FixCoding Fix
Audited Practice Results
How An Endovascular and Vascular Center Recovered $106K On Procedure AR Backlog
THE SITUATION
Open and endovascular procedure claims (37226/34701) aged after a coding gap, with component and S&I charges under-captured.
WHAT QUALIGENIX DID
We cleared the backlog, captured component and supervision charges, and set a daily submission cadence.
Key Outcomes & Turnaround
40% to 16%AR Over 90 Days
$106,000Revenue Recovered
71% to 93%Clean Claim Rate
Component CaptureProcess Fix
Audited Practice Results
How A Vascular Lab-Integrated Group Recovered $138K On Endovascular Authorization
THE SITUATION
Endovascular procedures, aneurysm repair, and vein treatment were scheduled before authorization, so high-dollar claims denied.
WHAT QUALIGENIX DID
We secured authorization and device approval before scheduling and tracked medical-necessity documentation.
Key Outcomes & Turnaround
23% to 3%Auth Denials
$138,000Revenue Recovered
72% to 93%Clean Claim Rate
Pre-Schedule AuthWorkflow Fix
Audited Practice Results
Vascular Coding Mapped to the Procedures You Perform
Qualigenix codes the full vascular procedure list, from aortic repair to the vascular lab, with the code families and modifiers below.
Aneurysm Repair
EVAR codes are chosen by device configuration (aorto-aortic, aorto-uni-iliac, aorto-bi-iliac) and whether the aneurysm ruptured, with add-ons for extensions. Fenestrated repairs are coded by the number of visceral artery endoprostheses. Open repairs are coded by aneurysm location and rupture status.
COMPLIANCE
How We Keep Vascular Billing Compliant
Qualigenix bills vascular care against four sets of rules at once: your MAC's venous insufficiency and peripheral coverage criteria, Medicare's OPD prior authorization requirement for vein ablation, the federal scrutiny of office-based peripheral interventions described in OIG's 2026 report, and NCCI bundling of catheter placement and imaging into endovascular codes. Each claim is checked against the one that applies before release.
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Audit Pass Rate
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Variance Threshold
Why Vascular Surgeons Choose Qualigenix
Medicare's own error data shows where vascular claims fail, and it's mostly documentation.
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Improper payment rate, carotid artery ultrasound
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Share of those errors caused by insufficient documentation
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Projected improper payments, carotid artery ultrasound
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Qualigenix coding accuracy
QUESTIONS BUYERS ASK
Vascular Surgery Billing FAQ
Qualigenix charges a percentage of the collections we bring in, so our fee moves with your revenue. The percentage depends on your claim volume, case mix and the services you hand over, and we set it after a call with your team.
Yes. Our coders apply the 37220–37235 territory and hierarchy rules on every claim: one primary code per vessel, the most intensive service only, and add-ons for each additional iliac or tibial/peroneal vessel.
We review OBL claims against the documentation before release, report atherectomy and tibial volumes by physician, and query the surgeon when the record doesn't meet your MAC's criteria. Qualigenix holds a 98.6% compliance and audit pass rate.
Yes. We work aged vascular claims by payer and denial reason and appeal with the operative note attached. Across all Qualigenix clients, days in A/R have dropped from 54 to 36.
Yes. We track Medicare's OPD prior authorization requirement for vein ablation and each commercial plan's venous policy, submit requests with the duplex and compression-trial record, and confirm an affirmed decision before the case date.
Yes. Office-based lab cases are billed as the global service at POS 11, while ASC and hospital cases carry only the professional service at POS 24 or POS 22. Vascular lab reads take modifier 26 when the hospital owns the equipment.
Yes. Qualigenix is system-agnostic and works across 133 EMR/EHR platforms, inside the systems your practice already uses.
Qualigenix onboards new practices in 6 days on average. Most vascular groups start with a call to walk through current denials and payer mix.