CPT 35682 Composite Vein Graft Reimbursement | OpenPayer

Summary & Overview

CPT 35682: Composite Vein Conduit Creation for Bypass Graft

CPT code 35682 denotes an add-on vascular surgical procedure to create a composite vein graft from two vein segments harvested from different distal sites for use as a bypass conduit. This code documents a specific technical step in complex bypass operations when a continuous vein of adequate length is not available. Nationally, accurate use of this code matters for capturing procedure complexity, procedure sequencing, and appropriate payment for extended graft preparation within vascular surgery.

Payors addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of clinical intent and service context, common payer coverage considerations, and where this code fits within surgical service lines. The publication outlines typical sites of service and the clinical scenario prompting use of the code, and it highlights practical coding details such as its add-on nature and implications for reporting alongside primary bypass procedures.

The piece also provides benchmarks and policy-relevant detail where available and flags when specific data elements are not provided. Intended audiences include coding professionals, vascular surgeons, revenue cycle staff, and policy analysts seeking a focused national overview of the code's clinical and billing role.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare35682CPTvascular surgerybypass graftcomposite vein graftsurgical add-onoperative technique

Billing Code Overview

CPT code 35682 describes an add-on surgical procedure in which the provider constructs a composite vein graft (conduit) from two vein segments obtained from two distal donor sites for use as a bypass graft. The service is a vascular surgical grafting technique intended to create a single conduit from multiple vein segments when a single-length vein is not available.

Service type: Surgical — vascular bypass grafting (composite vein conduit creation)

Typical site of service: Inpatient or outpatient hospital operating room; hospital-based vascular surgery suite

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 68-year-old male with long-standing peripheral arterial disease and lifestyle-limiting claudication presents with progressive ischemic rest pain and non-healing ischemic ulcers of the forefoot despite optimal medical therapy and endovascular attempts. Vascular surgery evaluates arterial inflow and outflow, determines that a lower extremity bypass is indicated, and plans a femoropopliteal or femorotibial bypass using autologous vein conduit. During conduit harvest, native saphenous vein length is inadequate from a single harvest site, so the surgeon constructs a composite graft by splicing two separate vein segments from different distal sites to create a single conduit. The procedure is performed in an operating room under general or regional anesthesia with surgical team documentation including vein harvest sites, conduit construction technique, graft configuration, anastomoses, and intraoperative graft patency assessment.

Coding Specifications

Modifier	Description	When to Use
`11`	Normally scheduled service	Use when the procedure is the primary, planned service performed without complications.
`22`	Increased procedural services	Use when work or time substantially exceeds typical work for due to complexity (document rationale).

CPT 35681: Composite Vein and Synthetic Bypass Graft

CPT-35683-COMPOSITE-VEIN-GRAFT-CONSTRUCTION-BYPASS

CPT 35683: Composite Vein Graft Construction for Bypass

35682

Taxonomy Code	Specialty	Notes
208000000X	Vascular Surgery	Primary specialty performing lower extremity bypass and composite vein graft construction.
208600000X	General Surgery	General surgeons with vascular training may perform peripheral bypass procedures.
207RG0400X	Cardiac Surgery	Cardiac/Thoracic surgeons with peripheral vascular expertise may perform complex bypasses.
207K00000X	Interventional Cardiology	Rarely involved for hybrid procedures combining open bypass with endovascular adjuncts.
363L00000X	Nurse Practitioner	Advanced practice clinicians supporting perioperative management and some aspects of care.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I70.233`	Atherosclerosis of native arteries of right leg with ulceration of calf	Peripheral arterial disease leading to tissue loss or ischemia prompting bypass and composite grafting.
`I70.234`	Atherosclerosis of native arteries of left leg with ulceration of calf	Same as above for the contralateral limb.
`I70.235`	Atherosclerosis of native arteries of right leg with ulceration of ankle and foot	Indicates distal ischemia often requiring femorotibial bypass with composite conduit.
`I70.236`	Atherosclerosis of native arteries of left leg with ulceration of ankle and foot	Left-sided distal arterial disease requiring revascularization.
`I70.241`	Atherosclerosis of native arteries of right leg with rest pain	Rest pain is an indication for surgical revascularization using bypass with autologous vein segments.
`I70.242`	Atherosclerosis of native arteries of left leg with rest pain	Left-sided rest pain indicating need for bypass grafting.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`35666`	Lower extremity arterial bypass, femoral to tibial; single-segment greater saphenous vein	Often performed as the primary bypass; `35682` may be used as an add-on when additional vein segments are spliced to create the conduit.
`35631`	Bypass graft, femoral-popliteal, single segment; synthetic or non-autogenous conduit	Alternative conduit approach when autologous vein not suitable; may be performed in the same clinical pathway.
`36818`	Longitudinal repair of a blood vessel; venous repair or interposition graft	Performed when additional vein work or repair is required during harvest or conduit preparation.
`35476`	Intraoperative angiography, arterial, with or without radiological supervision and interpretation; for lower extremity bypass	Used intraoperatively to assess graft patency and limb perfusion after composite graft placement.
`39501`	Open thoracic vessel bypass (selected for complex multilevel reconstructions)	Selected in complex reconstructions where conduits are used in multi-segment bypass strategies; less common but related in complex vascular reconstructions.

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