Summary & Overview

CPT 0994T: Endovascular Drug Delivery for Abdominal Aortic Aneurysm Stabilization

CPT code 0994T denotes a targeted endovascular procedure delivering drug therapy inside the aorta to stabilize an abdominal aortic aneurysm via a percutaneous approach. This procedure combines intraprocedural imaging, aortic roadmapping, balloon occlusion, and radiology supervision and interpretation, positioning it at the intersection of interventional radiology and vascular surgery. Nationally, the code matters because it captures a specialized, device- and imaging-intensive service used for patients with complex aortic pathology where open repair is not indicated or as an adjunct to endovascular aneurysm management.

Key payers reviewed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical intent and service components tied to the code, an overview of typical sites of service and operational considerations, and a summary of what to expect in payer coverage patterns and reimbursement benchmarking. The publication outlines clinical context for use, common billing and documentation themes relevant to interventional services, and highlights where additional policy detail or payer-specific guidance is commonly needed.

Data not available in the input: common modifiers, associated taxonomies, specific ICD-10 diagnoses, related codes, and detailed payer-level benchmark figures.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare0994TCPTendovascularabdominal aortic aneurysminterventional radiologyvascular surgeryaortic stabilizationpercutaneous procedureambulatory surgical centerhospital outpatient

Billing Code Overview

CPT code 0994T describes a minimally invasive endovascular procedure in which the provider delivers drug therapy directly inside the aorta to stabilize an abdominal aortic aneurysm using a percutaneous (needle–puncture) technique. The service includes intra-procedural imaging, roadmapping of the aorta, temporary balloon occlusion, and radiology supervision and interpretation as part of the procedure.

Service type: Interventional endovascular drug delivery for abdominal aortic aneurysm stabilization
Typical site of service: Hospital outpatient department or ambulatory surgical center with interventional radiology or vascular surgery capability

Clinical & Coding Specifications

Clinical Context

A 72-year-old male with a 6.0 cm infrarenal abdominal aortic aneurysm (AAA) identified on surveillance imaging presents for minimally invasive stabilization. He has hypertension, hyperlipidemia, and chronic obstructive pulmonary disease that increase open-surgical risk. The vascular interventional team schedules a percutaneous endovascular drug-delivery procedure to the aorta to stabilize the aneurysm sac and reduce expansion risk.

Pre-procedure workflow includes informed consent, pre-op medical optimization, review of recent contrast-enhanced CT angiography for device planning and vascular access mapping, and laboratory testing (creatinine, coagulation studies). In the angiography suite under conscious sedation or general anesthesia, arterial access is obtained percutaneously (typically common femoral artery). Under fluoroscopic guidance, roadmapping of the aorta is performed to localize the aneurysm. A balloon occlusion catheter is positioned as needed to control flow. The provider delivers drug therapy into the aortic lumen adjacent to the aneurysm using the percutaneous technique described in 0994T. Continuous radiologic supervision and interpretation are provided during delivery and imaging. Post-procedure, the patient is monitored for vascular access complications, renal function, and hemodynamics, then discharged with instructions for surveillance imaging and follow-up with vascular surgery or interventional radiology.

Coding Specifications

Modifier	Description	When to Use
`26`

Taxonomy Code	Specialty	Notes
`2080P0000X`	Vascular Surgery	Surgeons who perform endovascular AAA stabilization and related interventions.
`366A00000X`	Interventional Cardiology	Interventional cardiologists trained in complex endovascular aortic procedures in some centers.
`2086S0125X`	Interventional Radiology	Common specialty performing image-guided aortic drug delivery and fluoroscopic guidance.
`207RX0400X`	Diagnostic Radiology	Radiologists who provide supervision/interpretation of intra-procedural imaging.

ICD-10 Code	Description	Clinical Relevance
`I71.4`	Abdominal aortic aneurysm, without rupture	Primary indication for aortic stabilization procedures such as `0994T`.
`I71.3`	Abdominal aortic aneurysm, ruptured	Represents emergent AAA presentations; stabilization procedures may be performed in acute settings depending on clinical context.
`I70.0`	Atherosclerosis of aorta	Atherosclerotic disease commonly coexists and contributes to aneurysm formation and procedural planning.
`I71.9`	Aortic aneurysm, unspecified site, without rupture	Used when aneurysm site is not otherwise specified; may be used prior to definitive anatomic coding.
`Z95.2`	Presence of other vascular implants and grafts	Relevant for prior aortic repairs or grafts that affect access, device selection, and procedural approach.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`75630`	Aortography, by catheter; abdominal, unilateral or limited, radiological supervision and interpretation	Often performed before or during `0994T` to define aneurysm anatomy and vascular branches.
`37241`	Transcatheter placement of intravascular stent(s), iliac artery, percutaneous transluminal angioplasty when performed; includes radiological supervision and interpretation	May be performed in the same session if iliac access requires angioplasty or stenting to facilitate device delivery.
`36010`	Introduction of needle or intracatheter, vena cava for diagnostic or therapeutic purposes; not otherwise specified	May be used for alternative central vascular access procedures during complex interventions (site-specific coding dependent).
`76000`	Fluoroscopy (separate procedure), up to one hour physician time	Used when additional fluoroscopy time beyond included procedural allowance must be reported separately (facility/physician delineation varies).
`76937`	Ultrasound guidance for vascular access requiring ultrasound imaging documentation	Used when ultrasound guidance is used for percutaneous femoral arterial access prior to `0994T`.

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