CPT 36160 Posterior Lumbar Aortic Access Reimbursement | OpenPayer

Summary & Overview

CPT 36160: Posterior Lumbar Aortic Access for Vascular Intervention

CPT code 36160 denotes a posterior lumbar approach to the aorta where a needle or catheter is introduced through the intercostal space to address arterial dilation or stricture. This invasive vascular intervention is clinically significant for managing aortic and large-artery pathology and has implications for operative planning, facility resource use, and payer coverage determinations nationwide. Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for the procedure, typical sites of service, and the payer landscape relevant to reimbursement and authorization patterns. The publication outlines common billing modifiers associated with complex procedural services and summarizes the practical coding considerations for documenting an aortic access procedure of this type. Where available, benchmarks and policy updates relevant to hospital-based vascular interventions are summarized; when input data are not provided, the report notes that specific benchmarking elements are not available. The material is intended to inform coding professionals, revenue cycle staff, and policy analysts about the clinical nature of CPT code 36160, typical service settings, and the payer mix most commonly engaged for these procedures across the United States.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare36160CPTvascular procedureaortic accessinterventional radiologyvascular surgeryhospital servicesprocedure coding

Billing Code Overview

CPT code 36160 describes a procedure in which a provider inserts a needle or catheter into the aorta via a posterior lumbar approach, passing through the intercostal space to treat arterial dilation or stricture. This represents an invasive vascular access or intervention targeting the aorta for therapeutic management of an arterial lesion.

Service type: Vascular interventional procedure (posterior lumbar aortic access)
Typical site of service: Inpatient or outpatient hospital setting, vascular surgery or interventional radiology suite

Clinical & Coding Specifications

Clinical Context

A typical patient is a 68-year-old male with progressive lower-extremity claudication and imaging-confirmed abdominal aortic aneurysm or aortic atherosclerotic disease causing stenosis. The patient is scheduled for a percutaneous retroperitoneal aortic access procedure to enable endovascular intervention (e.g., balloon angioplasty, stent placement, or intravascular therapy). Pre-procedure workflow includes vascular imaging (CT angiography or duplex ultrasound), informed consent, pre-procedure labs (CBC, BMP, coagulation panel), and evaluation for contrast allergy and renal function. In the interventional suite under fluoroscopic guidance and conscious sedation or general anesthesia, the interventionalist inserts a needle or catheter from a posterior lumbar approach through the retroperitoneal space into the aorta to gain access for treatment of dilation (aneurysm-related endovascular repair adjunct access) or dilation/stricture management. Post-procedure workflow includes hemostasis (manual, closure device, or surgical repair), observation in recovery or step-down unit, post-procedure imaging as indicated, and discharge planning with vascular follow-up and vascular lab surveillance.

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier specified (placeholder)	Rarely used; not typically appended — depends on payer requirements.

CPT 36100: Carotid or Vertebral Artery Access by Needle or Intracatheter

CPT-36140-EXTREMITY-ARTERY-INJECTION-ACCESS

CPT 36140: Extremity Artery Injection Access

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Taxonomy Code	Specialty	Notes
2080S0004X	Interventional Cardiology	Performs endovascular aortic access for thoracoabdominal interventions and complex vascular procedures.
207RG0100X	Vascular Surgery	Primary specialty for aortic access and endovascular aneurysm repair (EVAR) adjunct procedures.
2080P0008X	Interventional Radiology	Image-guided percutaneous aortic access and catheter-based therapies.
163W00000X	Anesthesiology	Provides sedation or general anesthesia support for complex or lengthy procedures.
208000000X	General Surgery	May perform aortic access in operative settings or hybrid procedures.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I71.3`	Abdominal aortic aneurysm, ruptured	Emergent aortic access may be required for endovascular control or adjunct procedures.
`I71.4`	Abdominal aortic aneurysm, without rupture	Common indication for endovascular access during EVAR or adjunct catheter-based interventions.
`I70.2`	Atherosclerosis of native arteries of the extremities	Aortic or iliac atherosclerotic disease causing stenosis that may require retroperitoneal aortic access for endovascular treatment.
`I77.1`	Stricture of artery	Focal arterial strictures amenable to angioplasty or stenting after aortic access.
`R57.0`	Cardiogenic shock	Hemodynamically unstable patients may need urgent aortic access for endovascular interventions; included as a potential acute context.
`I65.2`	Occlusion and stenosis of carotid artery (not elsewhere classified)	While primarily carotid, complex aortic arch or proximal vessel interventions may need aortic access in hybrid procedures.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36147`	Introduction of needle or intracatheter into a peripheral artery, radiological supervision and interpretation	Often used for initial peripheral arterial access during diagnostic angiography that may precede aortic access.
`36215`	Selective catheter placement, arterial system; each first- order thoracic aortography	Diagnostic aortography performed after access to define anatomy before treatment.
`37220`	Revascularization, endovascular, open or percutaneous; transluminal balloon angioplasty	Balloon angioplasty of aortic or iliac stenosis performed after retroperitoneal aortic access.
`37225`	Revascularization, endovascular; with stent placement, open or percutaneous	Stent deployment for aortic/iliac lesions following percutaneous aortic access.
`34802`	Endovascular repair of infrarenal abdominal aorta with distal extension(s) (EVAR)	Major endovascular aortic procedure that may require auxiliary access such as retroperitoneal percutaneous aortic access for device delivery.
`36245`	Selective catheter placement, arterial system; each additional second order thoracic aortography	Additional selective catheterization during the same session after initial aortography and access establishment.

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