Summary & Overview

CPT 4145F: Unspecified Clinical Procedure

Headline: Unspecified CPT Code 4145F Lacks Published Summary; National Implications

Lead: CPT code 4145F is listed without a published clinical summary in the input data. This absence limits immediate operational clarity for billing and claims processing and signals the need for payers and providers to confirm clinical intent before adjudication.

CPT code 4145F represents a CPT-coded item for which no descriptive summary was provided in the source material. Nationally, gaps in documented code descriptions can create billing ambiguity, inconsistent claim adjudication, and administrative burden across payer and provider systems. Clear code definitions support accurate reimbursement, quality measurement, and clinical documentation.

Key payers covered: Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

What readers will learn: This publication identifies that the code description is missing from the supplied input, outlines likely operational impacts of an undefined CPT code, and indicates which major payers are considered in the broader analysis. Readers will find guidance on where to seek authoritative code descriptions (for example, the CPT code set publisher and payer-specific fee schedules), an outline of typical follow-up steps when encountering undefined billing codes, and a summary of common modifiers associated with the code in the input. The piece also describes the national relevance of undefined code entries to claims processing, policy alignment, and clinical documentation workflows.

Data limitations: Several fields required for a complete clinical and billing profile were not provided in the input. Specific clinical service type, site-of-service details, associated taxonomies, ICD-10 diagnoses, related codes, and full payer-specific coverage policies are not available in the input.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 4145FCPTbillingclaimsclinical documentationcoding ambiguityhealthcare administrationreimbursement

Billing Code Overview

CPT code 4145F — No Summary found for this code.

Service Type: Data not available in the input.

Typical Site of Service: Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A typical patient is a 62-year-old male with symptomatic peripheral arterial disease presenting with lifestyle-limiting claudication of the lower extremity. He has been referred to vascular interventional radiology or an endovascular cardiology team for endovascular revascularization. The clinical workflow begins with clinic evaluation and noninvasive vascular testing (ankle-brachial index, duplex ultrasound). After decision for intervention, the patient undergoes pre-procedure evaluation, informed consent, and procedural planning including imaging review. In the angiography suite or hybrid operating room, arterial access is obtained under sterile conditions followed by diagnostic angiography to localize the stenosis or occlusion. Depending on angiographic findings, the team performs endovascular techniques such as percutaneous transluminal angioplasty, atherectomy, or stent placement. Procedural documentation includes indication, access site, devices used, fluoroscopy time, contrast volume, complications, and post-procedure plan. Post-procedure monitoring occurs in the recovery area with vascular checks and discharge instructions for antiplatelet therapy and follow-up in vascular clinic.

Coding Specifications

Modifier	Description	When to Use
`1P`	Primary Care Practitioner	Use when the service is rendered by a primary care provider as designated payer-specific.
`95`

Taxonomy Code	Specialty	Notes
207RG0100X	Interventional Cardiology	Commonly performs peripheral and coronary endovascular interventions.
2080P0005X	Vascular Surgery	Performs open and endovascular peripheral revascularization procedures.
246Z00000X	Interventional Radiology	Performs image-guided endovascular procedures including angioplasty and stenting.
2084P0800X	Cardiovascular Disease (Non-Invasive)	May be involved in pre- and post-procedure management and risk stratification.

CPT Code	Description	Relationship to This Procedure
`37220`	Revascularization, endovascular, open or percutaneous, iliac artery, unilateral, initial vessel; with transluminal angioplasty	Often performed for iliac artery lesions during the same session as diagnostic angiography.
`37224`	Revascularization, endovascular, femoral/iliac, iliac artery, with stent(s)	Used when stent placement is required after angioplasty for iliac or femoral lesions.
`75960`	Radiological supervision and interpretation; vascular flow and vessel imaging, unilateral or bilateral, noninvasive	May be used for intra-procedural or pre-procedural noninvasive vascular imaging adjuncts.
`93458`	Left heart catheterization including intraprocedural injections for coronary angiography, when performed with right heart catheterization	Included when simultaneous coronary diagnostic catheterization is clinically indicated (if applicable).
`94010`	Spirometry, including graphic record, total and timed vital capacity, expiratory flow rate measurement(s)	Example of pre-anesthesia pulmonary function testing when needed for surgical risk assessment.

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