It looks like this is for the hospital outpatient only (similar to what they did for Botox in this setting):
CMS proposes to add Facet Joint Interventions as a new service category subject to the Hospital Outpatient Prior Authorization Process on or after March 1, 2023. For CY 2020, CMS finalized a policy whereby hospitals must seek provisional affirmation of coverage before select outpatient services are furnished to beneficiaries and before a claim can be submitted for processing. This prior authorization requirement applied initially to only five categories of services: blepharoplasty, botulinum toxin injections, panniculectomy, rhinoplasty and vein ablation