Medicare AdvantageCoverageMedium impact
Interspinous and Interlaminar Stabilization and Distraction Devices (Spacers)
Blue Cross Blue Shield of Rhode Island·RI · Orthopedics, Neurosurgery, Pain Management·Physician / Facility
Effective date
May 1, 2020
We identified it
Jun 19, 2026
Summary
Effective May 1, 2020, HCPCS code C1821 for Interspinous and Interlaminar Stabilization and Distraction Devices (Spacers) is not covered for BlueCHiP Medicare plans and not medically necessary for commercial products. All claims using this code will be denied.
Action Required
Immediately: Stop billing HCPCS code C1821 for interspinous and interlaminar stabilization devices on all BlueCross BlueShield of Rhode Island plans. Update billing system to flag or block C1821 claims. Notify providers that these devices are not covered and alternative treatment options should be considered. Claims submitted with C1821 will be denied.