By January 7, 2022: Billing team must update system to require site-of-service review for medical necessity for CPT codes 22533, 22551, 22554, 22558, 22600, 22612, 22630, 22633, 58260, 58262, 58263, 58267, 58270, 58275, 58280, 58290, 58291, 58292, 58294, 58550, 58552, 58553, 58554, 63020, 63045. Update encounter forms to remind providers of new hysterectomy policy requirements and spine surgery site-of-service criteria. Remove HCPCS code C1726 from billing system. By December 2, 2021: Update drug formulary for new Arcalyst coverage. By November 5, 2021: Mark allograft injection for degenerative disc disease as investigational.