Inspire Medical Systems (INSP) Stock Plunges on Medicare Coding Reversal: Latest News, Analyst Forecasts, and What Investors Are Watching
Inspire Medical Systems shares fell sharply on December 18, 2025, after two Medicare contractors, CGS and Noridian, pulled CPT code 64568 for hypoglossal nerve stimulation and redirected billing to CPT 64582. The move cast doubt on a key reimbursement upgrade that had driven recent stock gains, sending INSP down in the mid-to-high teens by early afternoon.
