Oncology Medical Policies and Medication Policies for Blue Shield California
Please note that the following policies, prior auth lists, and step therapy lists went into effect on 1/1/2026. Based on the member's benefit coverage, Evolent policies are utilized for determinations. Health Plan policy or State mandated policy may be used prior to Evolent policy based on the Health Plan. Medicare determinations will follow the clinical criteria set forth by CMS using National Coverage Determinations (NCD), Local Coverage Determinations (LCD), CMS Guidance documents or the five Compendia approved by CMS for cancer drugs. The policy versions posted may not apply to all health plans. At any time, you may request the specific clinical Medical Oncology criteria used in a determination decision.
For questions, support or to submit a prior auth request over the phone, please call 1.800.424.5385
Last reviewed January 2026
Last reviewed June 2026
Last reviewed June 2026