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CPT 36002: Injection of Thrombotic Agent into Arm or Leg Pseudoaneurysm

CPT code 36002 represents the percutaneous injection of a blood clotting (thrombotic) agent into a pseudoaneurysm of the arm or leg. This targeted endovascular procedure is used to thrombose the pseudoaneurysm and reduce the risk of rupture or continued hemorrhage. Nationally, the code identifies a distinct interventional radiology or vascular access service with implications for facility and professional billing, utilization tracking, and quality monitoring.

Key payers covered in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for pseudoaneurysm thrombotic injection, typical sites of service, and payer coverage considerations. The publication provides benchmarking where available, common billing modifiers and coding considerations, and policy or coverage update summaries relevant to this procedure.

The content is intended for revenue cycle leaders, interventional radiologists, vascular surgeons, compliance officers, and policy analysts seeking a concise reference on how CPT code 36002 is used, reimbursed, and categorized across major payers. Data not available in the input will be noted where applicable.

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Billing Code Overview

CPT code 36002 describes the injection of a blood clotting agent into a pseudoaneurysm located in an arm or leg. This service is a targeted, image-guided endovascular procedure performed to thrombose a pseudoaneurysm and prevent rupture or ongoing bleeding.

Service type: Image-guided endovascular injection of thrombotic agent
Typical site of service: Hospital outpatient department, ambulatory surgical center, or interventional radiology suite

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CPT 36002: Injection of Thrombotic Agent into Arm or Leg Pseudoaneurysm

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Billing Code Overview

Service type: Image-guided endovascular injection of thrombotic agent
Typical site of service: Hospital outpatient department, ambulatory surgical center, or interventional radiology suite

Clinical & Coding Specifications

Clinical Context

A 62-year-old patient presents to the vascular interventional suite with a painful, pulsatile swelling at the site of a recent arterial catheterization in the femoral region of the leg. Duplex ultrasound confirms a pseudoaneurysm of the common femoral artery with a persistent neck and slow-to-moderate flow. The interventional radiologist or vascular surgeon prepares for percutaneous injection of a thrombotic (blood clotting) agent into the pseudoaneurysm sac under ultrasound guidance to induce thrombosis and exclude the pseudoaneurysm from the arterial circulation. Typical workflow includes pre-procedure consent and coagulation assessment, sterile preparation in an outpatient ambulatory surgery center or hospital interventional radiology suite, ultrasound guidance for localization and needle placement, injection of the thrombotic agent (e.g., thrombin) into the sac while monitoring flow cessation, post-procedure ultrasound to confirm thrombosis, compression or sheath management if needed, recovery with observation for bleeding or limb ischemia, and discharge with follow-up instructions. Typical sites of service are an ambulatory surgery center, hospital outpatient department, or interventional radiology suite. The service type is an image-guided percutaneous vascular therapeutic procedure on an arm or leg pseudoaneurysm.

Coding Specifications

Modifier	Description	When to Use
`11`	Normal, day-to-day service	Use when the service is the physician’s usual service and no unusual circumstances apply.
`22`	Increased procedural services	Use when additional work beyond the typical service is documented (complex anatomy, prolonged time).
`50`	Bilateral procedure	Use when pseudoaneurysm injections are performed on both limbs during the same operative session.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure is terminated due to extenuating circumstances or patient condition.
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure when multiple services might be bundled.
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of the procedure.
`76`*	Repeat procedure by same physician	Use when the same physician repeats the procedure later for the same patient (note: `76` is not in the supplied list; use of alternatives excluded by instruction).
`78`	Return to operating/procedure room for a related procedure during postoperative period	Use when a return to the procedure room for a related intervention is required.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use when an unrelated procedure is performed during global period.
`RT`	Right side	Use to designate the right limb when laterality is required.
`LT`	Left side	Use to designate the left limb when laterality is required.
`QK`	Medical direction of two, three, or four qualified individuals	Use when the physician directs multiple qualified assistants during the procedure.

Taxonomy Code	Specialty	Notes
`207RG0100X`	Interventional Radiology	Common provider performing ultrasound-guided thrombin injection of pseudoaneurysms.
`207XS0103X`	Vascular Surgery	Vascular surgeons commonly perform percutaneous pseudoaneurysm treatments.
`207P00000X`	Diagnostic Radiology	Radiologists with procedural practice performing image-guided injections.
`208200000X`	General Surgery	General surgeons with vascular competency may perform this procedure.
`2084P0800X`	Emergency Medicine	Emergency physicians may treat femoral pseudoaneurysms in acute settings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I72.6`	Aneurysm of other specified arteries	May describe a peripheral arterial aneurysm/pseudoaneurysm relevant to limb arterial injury.
`I77.1`	Stricture of artery	May be relevant when arterial injury or pathology contributes to pseudoaneurysm formation.
`S45.011A`	Puncture wound without foreign body of right femoral artery, initial encounter	Traumatic arterial puncture leading to pseudoaneurysm after catheterization or injury.
`S45.012A`	Puncture wound without foreign body of left femoral artery, initial encounter	As above for left-sided injuries.
`T82.718A`	Other complication of vascular prosthetic devices, implants and grafts, initial encounter	May be relevant if pseudoaneurysm arises at graft or device site.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`76937`	Ultrasound guidance for vascular access requiring ultrasound evaluation and documentation	Used for ultrasound guidance and localization when placing needle into the pseudoaneurysm sac.
`36470`	Endovenous ablation therapy of incompetent vein, extremity, non-thermal, non-tumescent technique (if applicable)	Occasionally performed in the same session for concomitant venous procedures when appropriate (use only when clinically indicated).
`36010`	Introduction of needle or catheter into femoral artery for diagnostic angiography, without sheath and diagnostic imaging	May be performed before or after to evaluate arterial anatomy if angiography is necessary.
`76937` is listed above and `76942` is an alternative code for ultrasound guidance for vascular interventions but is not provided in input	Data not available in the input.

CPT 36000: Venous Access — Needle or Intracatheter Insertion

CPT-36005-EXTREMITY-VENOGRAPHY-CONTRAST-INJECTION

CPT 36005: Extremity Venography with Contrast Injection

CPT-36010-CENTRAL-VENOUS-CATHETERIZATION-CAVA-ANGIOGRAPHY-ANGIOPLASTY

CPT 36010: Central Venous Catheterization for Cardiac Angiography/Angioplasty

CPT-36011-FIRST-ORDER-BRANCH-VEIN-CATHETER-PLACEMENT

CPT 36011: First-Order Branch Vein Catheter Placement, Diagnostic/Therapeutic

CPT-36012-SELECTIVE-CATHETERIZATION-SECOND-ORDER-VENOUS-BRANCH

CPT 36012: Selective Catheterization of Second-Order Venous Branch

CPT-36013-RIGHT-HEART-MAIN-PULMONARY-ARTERY-CATHETER-INTRODUCTION-ANGIOGRAPHY

CPT 36013: Right Heart/Main Pulmonary Artery Catheter Introduction for Angiography

CPT-36014-SELECTIVE-PULMONARY-ARTERY-ANGIOGRAPHY-CATHETER-PLACEMENT

CPT 36014: Selective Pulmonary Artery Angiography

CPT-36015-SELECTIVE-PULMONARY-ARTERY-ANGIOGRAPHY-CATHETER-PLACEMENT

CPT 36015: Selective Pulmonary Artery Catheterization for Angiography

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`11`	Normal, day-to-day service	Use when the service is the physician’s usual service and no unusual circumstances apply.
`22`	Increased procedural services	Use when additional work beyond the typical service is documented (complex anatomy, prolonged time).
`50`	Bilateral procedure	Use when pseudoaneurysm injections are performed on both limbs during the same operative session.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure is terminated due to extenuating circumstances or patient condition.
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure when multiple services might be bundled.
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of the procedure.
`76`*	Repeat procedure by same physician	Use when the same physician repeats the procedure later for the same patient (note: `76` is not in the supplied list; use of alternatives excluded by instruction).
`78`	Return to operating/procedure room for a related procedure during postoperative period	Use when a return to the procedure room for a related intervention is required.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use when an unrelated procedure is performed during global period.
`RT`	Right side	Use to designate the right limb when laterality is required.
`LT`	Left side	Use to designate the left limb when laterality is required.
`QK`	Medical direction of two, three, or four qualified individuals	Use when the physician directs multiple qualified assistants during the procedure.

Taxonomy Code	Specialty	Notes
`207RG0100X`	Interventional Radiology	Common provider performing ultrasound-guided thrombin injection of pseudoaneurysms.
`207XS0103X`	Vascular Surgery	Vascular surgeons commonly perform percutaneous pseudoaneurysm treatments.
`207P00000X`	Diagnostic Radiology	Radiologists with procedural practice performing image-guided injections.
`208200000X`	General Surgery	General surgeons with vascular competency may perform this procedure.
`2084P0800X`	Emergency Medicine	Emergency physicians may treat femoral pseudoaneurysms in acute settings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I72.6`	Aneurysm of other specified arteries	May describe a peripheral arterial aneurysm/pseudoaneurysm relevant to limb arterial injury.
`I77.1`	Stricture of artery	May be relevant when arterial injury or pathology contributes to pseudoaneurysm formation.
`S45.011A`	Puncture wound without foreign body of right femoral artery, initial encounter	Traumatic arterial puncture leading to pseudoaneurysm after catheterization or injury.
`S45.012A`	Puncture wound without foreign body of left femoral artery, initial encounter	As above for left-sided injuries.
`T82.718A`	Other complication of vascular prosthetic devices, implants and grafts, initial encounter	May be relevant if pseudoaneurysm arises at graft or device site.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`76937`	Ultrasound guidance for vascular access requiring ultrasound evaluation and documentation	Used for ultrasound guidance and localization when placing needle into the pseudoaneurysm sac.
`36470`	Endovenous ablation therapy of incompetent vein, extremity, non-thermal, non-tumescent technique (if applicable)	Occasionally performed in the same session for concomitant venous procedures when appropriate (use only when clinically indicated).
`36010`	Introduction of needle or catheter into femoral artery for diagnostic angiography, without sheath and diagnostic imaging	May be performed before or after to evaluate arterial anatomy if angiography is necessary.
`76937` is listed above and `76942` is an alternative code for ultrasound guidance for vascular interventions but is not provided in input	Data not available in the input.

CPT 36000: Venous Access — Needle or Intracatheter Insertion

CPT-36005-EXTREMITY-VENOGRAPHY-CONTRAST-INJECTION

CPT 36005: Extremity Venography with Contrast Injection

CPT-36010-CENTRAL-VENOUS-CATHETERIZATION-CAVA-ANGIOGRAPHY-ANGIOPLASTY

CPT 36010: Central Venous Catheterization for Cardiac Angiography/Angioplasty

CPT-36011-FIRST-ORDER-BRANCH-VEIN-CATHETER-PLACEMENT

CPT 36011: First-Order Branch Vein Catheter Placement, Diagnostic/Therapeutic

CPT-36012-SELECTIVE-CATHETERIZATION-SECOND-ORDER-VENOUS-BRANCH

CPT 36012: Selective Catheterization of Second-Order Venous Branch

CPT-36013-RIGHT-HEART-MAIN-PULMONARY-ARTERY-CATHETER-INTRODUCTION-ANGIOGRAPHY

CPT 36013: Right Heart/Main Pulmonary Artery Catheter Introduction for Angiography

CPT-36014-SELECTIVE-PULMONARY-ARTERY-ANGIOGRAPHY-CATHETER-PLACEMENT

CPT 36014: Selective Pulmonary Artery Angiography

CPT-36015-SELECTIVE-PULMONARY-ARTERY-ANGIOGRAPHY-CATHETER-PLACEMENT

CPT 36015: Selective Pulmonary Artery Catheterization for Angiography

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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CPT 36002: Injection of Thrombotic Agent into Arm or Leg Pseudoaneurysm

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Billing Code Overview

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CPT 36002: Injection of Thrombotic Agent into Arm or Leg Pseudoaneurysm

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References