By 2026-07-10: Billing team must immediately implement Aetna tinnitus policy changes in claims processing and authorization systems. (1) Covered treatments requiring prior authorization: Update system to require authorization for CPT 97129, 97130 (CBT for tinnitus) when all four medical necessity criteria documented (persistent 6+ month tinnitus, treatable causes ruled out, clinical distress present, licensed mental health professional administers). (2) Covered surgical treatments: Authorize CPT 69502, 69505, 69511 (cortical mastoidectomy) only when imaging documents sigmoid sinus dehiscence/wall defect. (3) Non-covered/experimental treatments: Flag and deny claims for CPT 0552T, 0783T, 61850-61868, 64568-64727, 69450, 69930, 90867, 90868, 90901, 92601-92604, 95970, 95976, 97033, 97810-97814, 99183, and related codes listed in the policy. (4) Providers must document: tinnitus duration, differential diagnosis workup results, functional/quality of life impact, and provider credentials for mental health services. (5) Update encounter forms and denial templates to reference CPB 0406 specifically. Claims lacking required documentation will be denied; claims for experimental treatments will be denied or require member notification of non-covered status per contract.