CPT code 37238 denotes endovascular stent placement in a vein via catheter, performed with either percutaneous or open access and inclusive of radiological supervision and interpretation. This procedure is a key component of venous intervention for conditions such as central venous stenosis, venous outflow obstruction, or occlusive disease that require mechanical luminal support. Nationally, venous stent placement is significant because it affects hospital resource use, interventional radiology and vascular surgery practice patterns, and payer coverage policies for endovascular therapy.

Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical and billing profile of CPT code 37238, including the service type and typical sites of service, common modifiers listed in the input, and how the code fits into vascular interventional care pathways. The publication summarizes benchmark considerations, coding context, and policy-relevant elements for national payers and providers. Data not available in the input will be explicitly noted where applicable.