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[California] Medical Policies and Clinical Utilization Management Guidelines update
Act
by Jan 30, 2027
Effective date
Jan 30, 2027
Identified
Oct 29, 2026
Summary
Anthem Blue Cross Medi-Cal Managed Care is updating 15 medical policies and 13 clinical utilization management guidelines effective January 30, 2027. Changes include new policies for gene therapy, cellular immunotherapy, and hearing loss treatment; revised policies for breast procedures, deep brain stimulation, and multiple clinical guidelines; and conversion of certain guidelines to new standards. Some revisions may result in services previously covered being found not medically necessary, requiring prior authorization review.
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What to do
by Jan 30, 2027 · 6 steps
01Billing and prior authorization teams must review all 28 updated medical policies and clinical UM guidelines listed in the Anthem Blue Cross notice at the Medical Policies and Clinical UM Guidelines website.
02Specific actions include.
03Prior Authorization teams should identify which updated policies require new or modified prior authorization workflows, particularly for gene therapy (hemophilia, beta thalassemia, hearing loss, Wiskott-Aldrich syndrome), cellular immunotherapy, and breast procedures.
04Billing team should verify coverage status changes for affected services, as some previously covered services may now be found not medically necessary under revised policies.
05Clinical and administrative staff should be notified of changes, particularly regarding DME (tumor treatment fields, intrabuccal radiofrequency devices), lab testing (Alzheimer's biomarkers, lipid panels), surgical procedures (FESS, cystourethroscopy, cochlear implants, urinary incontinence treatments), and rehabilitation services.
06The practice should access the full policy text via the Anthem provider portal to identify specific code-level impacts and update internal billing and authorization protocols accordingly.
If missed: Failure to align workflows with new policy effective dates may result in claim denials for services that no longer meet medical necessity criteria.
Original notice
[California] Medical Policies and Clinical Utilization Management Guidelines update
providernews.anthem.com · Always check the source before changing claims.
Related changes
See all Anthem BCBS changes →[California] Clinical Criteria updates (November 2026 Newsletter)MediumNo effective date · Provider Bulletin[New York] Medical Policies and Clinical Utilization Management Guidelines updateHighEffective Nov 30, 2026 · Prior Authorization[California] Clinical Criteria updatesMediumEffective Jan 20, 2027 · Provider Bulletin[California] Medical Policies and Clinical Utilization Management Guidelines updateHighEffective Nov 1, 2026 · Prior AuthorizationBrowse every Anthem BCBS change in the policy list