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Reimbursement Policy Updates
Effective date
Not stated in the notice
Identified
Oct 21, 2026
Summary
Blue Cross Blue Shield of Montana updated five reimbursement policies (formerly coding and compensation policies) affecting payment rules and methodologies for CPT, HCPCS, and ICD-10-CM codes. Updates include Intraoperative Neurophysiology Monitoring, Medical Records Documentation, Observation Services, Physical Medicine and Rehabilitation Services, and Preventive Services, with effective dates ranging from October 1, 2026 through January 1, 2027.
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What to do
Action · 3 steps
01Billing team should access the revised policies in Availity® Essentials through the Plan Documents Viewer application in Payer Spaces for Blue Cross and Blue Shield of Montana to review the specific coding and compensation changes.
02Multiple effective dates apply: verify current applicability for policies effective October 1, 2026 (Preventive Services), October 10, 2026 (IONM), and October 15, 2026 (Medical Records Documentation), and prepare for future implementation of policies effective January 1, 2027 (Observation Services and Physical Medicine and Rehabilitation Services).
03Update billing workflows and documentation procedures accordingly based on the detailed policy revisions.
Original notice
Reimbursement Policy Updates
bcbsmt.com · Always check the source before changing claims.
Related changes
See all BCBS Montana changes →Reimbursement Policy UpdatesHighNo effective date · ReimbursementReimbursement Policy UpdatesHighNo effective date · ReimbursementReimbursement Policy UpdatesMediumNo effective date · ReimbursementReimbursement Policy UpdatesHighEffective Jun 1, 2026 · ReimbursementBrowse every BCBS Montana change in the policy list