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    v1.0.30
    OpenPayerBilling CodesEndovascular RevascularizationCPT cpt-37256-iliac-artery-complex-lesion-angioplasty
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    CPT 37256: Iliac Artery Angioplasty for Complex Occlusion

    Medicare pays $2525 on average nationally for this procedure.

    CPT code 37256 describes percutaneous or open angioplasty (balloon dilation) of a complex occlusive lesion in an initial iliac artery (common, internal, or external iliac), including all vascular access, catheterization, lesion crossing, and imaging guidance required to complete the procedure; service type: endovascular peripheral arterial intervention; typical site of service: outpatient interventional radiology or inpatient vascular surgery/interventional suite depending on clinical setting.

    For related coverage guidance, see recent payer policy updates: Automated Ambulatory Blood Pressure Monitoring for Diagnosis of Hypertension in Patients with Elevated Office Blood Pressure, Cardiology - Ivabradine, Cardiac Computed Tomography (CCT)/Coronary Computed Tomographic Angiography (CCTA).

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    Clinical & Coding Specifications

    Clinical Context

    A 68-year-old patient with progressive left lower-extremity claudication and diminished pedal pulses is evaluated for peripheral arterial disease. Noninvasive vascular testing (ankle-brachial index, duplex ultrasound) suggests an inflow lesion in the left iliac artery. Cross-sectional imaging or diagnostic peripheral angiography confirms a high-grade stenosis with near-occlusion of the left external iliac artery. The vascular interventionalist schedules a percutaneous transluminal angioplasty of the iliac occlusion with possible stent placement.

    The patient arrives to an outpatient endovascular suite or hospital catheterization laboratory after pre-procedure evaluation (consent, medication reconciliation, anticoagulation management). Under conscious sedation or general anesthesia, vascular access is obtained (common femoral or brachial access). Catheter-based angiography is performed to define the lesion. Endovascular crossing techniques are used to traverse the occlusion, and balloons are used for balloon angioplasty of the complex iliac lesion. Imaging guidance (fluoroscopy and angiographic runs) and hemostasis at access completion are included. The procedure may be converted to open surgical exposure if needed.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    37256Transluminal balloon angioplasty, complex occlusion, initial vessel; iliac vascular territoryPrimary procedure for angioplasty of a complex iliac occlusion.
    36245Selective catheter placement, arterial system; each first order thoracic, abdominal, or pelvic branch, unilateralMay be used for initial selective catheterization of the iliac arterial branch for diagnostic angiography prior to angioplasty.
    75630Angiography, abdominal aorta, iliac arteries, bilateral, with contrast and imagingOften performed as diagnostic peripheral angiography to map inflow lesions before intervention.
    37257Transluminal balloon angioplasty, complex occlusion; each additional ipsilateral iliac arteryBilled when additional complex occlusions in the same iliac territory are treated in the same session.
    37184Introduction of catheter, arterial, diagnostic, or for intervention, with imaging guidanceRepresents additional catheter-based access or interventions that may accompany iliac angioplasty.

    Related Modifiers

    5 rows

    ModifierDescriptionWhen to Use
    32Modifier 32 (Mandated Services) indicates that a CPT-coded service was required by a third party—such as an insurer, school, state agency, or court. The AMA defines it as denoting services mandated…- Use Modifier 32 when a service or procedure was explicitly mandated by a third party (for example an insurer requiring a second opinion, a school requiring a sports physical, a state agency or…
    57CPT® modifier -57 (“Decision for Surgery”) is appended to an Evaluation and Management (E/M) service when that encounter results in the initial decision to perform a major surgery (a procedure with a…- Use modifier 57 when an E/M service provided by the same provider (or same tax ID) on the day of or the day before a major surgical procedure (90‑day global period) results in the initial decision…
    73Modifier 73 indicates a facility-level outpatient hospital or ASC procedure that was discontinued after the patient was prepared and taken to the procedure/operating room but before any anesthesia…- When to use: Apply CPT modifier 73 on the FACILITY (outpatient hospital or ASC) claim when the patient has been fully prepared and physically taken into the procedure/operating room but the…
    51Modifier –51 (Multiple Procedures) is used when the same provider performs multiple procedures in the same session to identify secondary, non‑exempt procedures and indicate payment reduction logic…- Use modifier -51 when the same provider performs multiple distinct procedures during the same patient encounter: report the highest‑valued procedure first (no modifier) and append -51 to…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    208100000X
    207P00000X
    2085R0203X
    273Y00000X
    2278E0002X
    2084P0802X
    364SN0800X
    2279P1005X

    Related Payer Policy Updates

    Specialty: Cardiology1 / 3

    10 rows

    PolicyPayerEffective Date
    Automated Ambulatory Blood Pressure Monitoring for Diagnosis of Hypertension in Patients with Elevated Office Blood PressureBluecross Idaho2026-11-01
    Cardiology - IvabradineCigna2026-10-15
    Cardiac Computed Tomography (CCT)/Coronary Computed Tomographic Angiography (CCTA)univerahealthcare2026-10-15
    Percutaneous Ventricular Assist DeviceUnitedHealthcare2026-10-01
    Cardiovascular Disease Risk AssessmentOscar Health2026-10-01
    Biomarkers for Myocardial Infarction and Chronic Heart FailureOscar Health2026-10-01
    Multiple Procedure Payment Reduction for Diagnostic Cardiovascular ProceduresBlue Cross Blue Shield - Maine2026-10-01
    Left Atrial Appendage Closure Devicesexcellus_health_plan_inc2026-09-17
    Left Atrial Appendage Closure Devicesuniverahealthcare2026-09-17
    Cardiac Omnibus CodesCigna2026-09-15

    Related Codes

    CPT-37236-ARTERIAL-STENT-PLACEMENT-ENDOVASCULAR

    CPT 37236: Arterial Stent Placement via Catheter

    CPT-37237-ADD-ON-ENDOVASCULAR-STENT-PLACEMENT

    CPT 37237: Endovascular Arterial Stent Placement, Add-On

    CPT-37238-VENOUS-STENT-PLACEMENT-CATHETER

    CPT 37238: Venous Stent Placement, Percutaneous or Open

    CPT-37239-SECONDARY-VENOUS-STENT-INSERTION-ENDOVASCULAR

    CPT 37239: Venous Stent Placement, Additional Vein

    CPT-37246-PERCUTANEOUS-BALLOON-ANGIOPLASTY-ARTERY

    CPT 37246: Percutaneous Balloon Angioplasty of Non-Coronary Artery

    CPT-37247-TRANSLUMINAL-BALLOON-ANGIOPLASTY-ADDITIONAL-ARTERIES

    CPT 37247: Transluminal Balloon Angioplasty, Additional Arteries

    CPT-37249-PERIPHERAL-VEIN-BALLOON-ANGIOPLASTY-ADDITIONAL-VEINS

    CPT 37249: Transluminal Balloon Angioplasty of Additional Veins

    CPT-37254-ILIAC-ARTERY-ANGIOPLASTY-BALLOON-DILATION

    CPT 37254: Iliac Artery Angioplasty (Balloon)

    CPT-37259-ILIAC-ARTERY-STENT-PLACEMENT-ADDITIONAL-VESSEL

    CPT 37259: Iliac Artery Stent Placement, Additional Vessel

    CPT-37262-ILIAC-INTRAVASCULAR-LITHOTRIPSY-DURING-REVASCULARIZATION

    CPT 37262: Intravascular Lithotripsy of One Iliac Artery

    Showing 1–10 of 21

    Frequently Asked Questions

    References

    1. 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. 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. 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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