CPT 36478 Endovenous Laser Ablation Reimbursement | OpenPayer

Summary & Overview

CPT 36478: Endovenous Laser Ablation of First Diseased Vein

CPT code 36478 covers percutaneous endovenous laser ablation of a diseased extremity vein, reported for the first vein treated. This minimally invasive venous ablation procedure is widely used for symptomatic varicose veins and chronic venous insufficiency; it matters nationally because it affects outpatient vascular procedure volumes, bundled payment considerations, and utilization of ambulatory surgery centers. Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will find a concise overview of clinical context and procedural setting, national benchmarks for utilization and site-of-service trends where available, common billing and modifier considerations, and policy updates that affect coverage and reimbursement frameworks. The publication summarizes how CPT code 36478 is positioned within venous treatment workflows, identifies areas where coding clarity is important (for example, first-vein reporting versus additional-vein reporting), and outlines the typical ambulatory settings where the service is delivered. Data not available in the input will be noted as such in relevant sections.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare36478CPTendovenous-laser-ablationvenous-ablationambulatory-surgeryoutpatient-procedurevascular-proceduresvaricose-veins

Billing Code Overview

CPT code 36478 describes a percutaneous endovenous laser ablation procedure in which a provider inserts a specially designed laser ablation catheter probe through the skin and destroys the wall of a diseased vein in an extremity. This code is reported for treatment of the first vein treated during the same session.

Service type: Minimally invasive endovascular venous ablation.

Typical site of service: Ambulatory surgery center or hospital outpatient department, with some procedures performed in office-based procedure suites when appropriate.

Clinical & Coding Specifications

Clinical Context

A 52-year-old ambulatory female presents with symptomatic varicose veins of the left great saphenous vein causing aching, swelling, and visible bulging despite conservative therapy (compression stockings and lifestyle modification). After duplex ultrasound mapping confirms a refluxing incompetent long tributary consistent with axial reflux of the great saphenous vein, the vascular specialist schedules a percutaneous endovenous laser ablation procedure. In the outpatient vascular lab or ambulatory surgery center, under ultrasound guidance and with local tumescent anesthesia, the provider inserts a specially designed laser ablation catheter through a small skin puncture, advances it to the target segment, and activates the laser to thermally ablate the diseased vein wall. The provider reports 36478 for treatment of the first vein. The typical workflow includes pre-procedure consent and marking, ultrasound mapping, sterile preparation, ultrasound-guided access and catheter placement, tumescent anesthesia infiltration, energy delivery with segmental pullback, immediate post-procedure ultrasound to confirm occlusion, and discharge with post-op instructions and compression therapy. Typical site of service: ambulatory surgery center or hospital outpatient department; service type: percutaneous endovenous thermal ablation of an extremity vein.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component

CPT 36474: Mechanochemical Ablation of Additional Incompetent Vein(s)

CPT-36479-ENDOVENOUS-LASER-ABLATION-ADD-ON-PROCEDURE

CPT 36479: Endovenous Laser Ablation, Additional Vein

CPT-36476-ENDOVENOUS-RADIOFREQUENCY-ABLATION-ADD-ON

CPT 36476: Endovenous Radiofrequency Ablation, Additional Vein

CPT-36473-MECHANOCHEMICAL-ABLATION-FIRST-VEIN-VARICOSE-VEIN-TREATMENT

CPT 36473: Image-Guided Mechanochemical Ablation for Varicose Vein, First Vein

CPT-36483-ADD-ON-CHEMICAL-ADHESIVE-ABLATION-EXTREMITY

CPT 36483: Add-On Chemical Adhesive Ablation of Subsequent Extremity Veins

CPT-36475-ENDOVENOUS-RADIOFREQUENCY-ABLATION-VEIN-DESTRUCTION-EXTREMITY

CPT 36475: Endovenous Radiofrequency Ablation of Extremity Vein

Taxonomy Code	Specialty	Notes
`207V00000X`	Vascular Surgery	Primary specialty performing endovenous ablation procedures
`207K00000X`	Interventional Cardiology	Some interventional cardiologists perform peripheral venous interventions
`2080P0001X`	General Surgery	General surgeons with vascular expertise may perform endovenous ablation
`208D00000X`	Family Medicine	Procedural family medicine physicians with vascular training sometimes perform office-based ablations
`207RH0000X`	Interventional Radiology	Common specialty performing ultrasound-guided endovenous thermal ablation

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I83.10`	Varicose veins of lower extremities with pain, unspecified lower extremity	Common indication for endovenous ablation when symptomatic refluxing great saphenous vein is present
`I83.20`	Varicose veins of lower extremities with ulcer, unspecified lower extremity	Advanced chronic venous disease may require ablation of incompetent truncal veins as part of wound management
`I83.90`	Varicose veins of lower extremities without complications, unspecified lower extremity	Elective treatment for symptomatic or cosmetic varicosities
`I87.2`	Venous insufficiency (chronic) (peripheral)	Underlying pathophysiology treated by endovenous thermal ablation
`R22.42`	Localized swelling, mass and lump, left lower limb	Symptom often evaluated in association with varicose veins and venous reflux
`R22.41`	Localized swelling, mass and lump, right lower limb	As above, used when right-sided symptoms are primary

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36478`	Endovenous ablation therapy of incompetent vein, extremity, laser, first vein treated	Primary procedure code for thermal laser ablation of the first treated extremity vein
`36479`	Endovenous ablation therapy of incompetent vein, extremity, laser, each additional vein treated (List separately in addition to code for primary procedure)	Used when additional distinct veins in the same extremity are treated during the same session
`76937`	Ultrasound guidance for vascular access requiring image documentation and interpretation	Used for ultrasound guidance during venous access and catheter placement when billed separately
`36471`	Endovenous ablation therapy of incompetent vein, extremity, radiofrequency, first vein treated	Alternative modality code when radiofrequency energy is used instead of laser
`93970`	Duplex scan of extremity veins including responses to compression and spectral Doppler, complete bilateral study	Commonly used pre- or post-procedure mapping and surveillance study
`99024`	Postoperative follow-up visit, typically included (bundling varies)	Used for reporting routine global period post-op visits when payer allows separate reporting

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