Immediately: Billing team must update system denial rules and prior authorization workflows to reflect that CPT codes 0780T, 36514, 36516, 38240, 38241, 38242, 44705, 61863-61868, 61880, 61885, 62160, 62180-62258, 63740-63746, 64553, 90281-90283, 95836, 95976-95977, 95983-95984, 97810-97814, 98960, 99183, and HCPCS codes A4575, A4633, C1767, C1778, C1816, E0203, E0446, G0176 are NOT COVERED for Alzheimer's disease treatment when submitted by Aetna members. Before processing any claims with these codes for Alzheimer's disease diagnosis (ICD-10 G30.x series), flag for medical necessity review or automatic denial per policy. Update claim scrubbing logic to cross-reference ICD-10 diagnosis codes against this treatment list. Notify providers in neurology, neurosurgery, and geriatrics specialties of non-coverage. Document policy reference CPB 0788 (reviewed 2025-11-19) in all denial communications. Failure to implement will result in improper reimbursement and potential claim recovery actions by Aetna.