Anthem BCBSMedium ImpactAdministrative
[California] UM Authorization ID format changes May 2026
Published May 16, 2026Effective May 1, 2026
AI Summary
Anthem California is changing the format of their Utilization Management (UM) Authorization ID numbers effective May 2026. Medical billing teams will need to update their systems and processes to accommodate the new authorization ID format to ensure proper claim processing.
Action Required
Before May 1, 2026: Billing team must update billing software to accommodate new UM Authorization ID format from Anthem California. Contact software vendor to ensure system compatibility with new format. Update staff training materials and procedures for entering authorization IDs. Monitor Anthem communications for specific format requirements as effective date approaches.
Plan Types
Commercial
States
CA
Specialties
all-specialties