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Diagnosis and Treatment of Chronic Cerebrospinal Venous Insufficiency in Multiple Sclerosis
Blue Cross & Blue Shield of Mississippi·Neurology, Vascular Surgery, Radiology·Medical Policy
We identified it
Jun 20, 2026
Summary
This policy confirms that diagnosis and treatment of chronic cerebrospinal venous insufficiency (CCSVI) in multiple sclerosis patients is considered not medically necessary. The policy was reviewed on March 27, 2025 with no changes, maintaining the existing coverage denial position for CCSVI procedures including percutaneous venoplasty.
Action Required
No immediate action required. Continue to deny coverage for CCSVI diagnosis and treatment procedures in multiple sclerosis patients as not medically necessary. Ensure billing staff are aware that CPT 37248 (transluminal balloon angioplasty) for CCSVI treatment will be denied when performed for this indication.