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ICD-10 Updates


Welcome to Blue Shield of California’s ICD-10 Updates page for network providers.

Thank you for your feedback and collaboration that helped us to launch a successful transition from the ICD-9 to ICD-10 coding system, beginning October 1, 2015. We are continuing to monitor operational needs associated with the transition to ensure successful integration of the new coding system.

We hope you find the information below to be helpful as your provider organization uses the new ICD-10 coding system:

Frequently asked questions
Read our list of frequently asked questions (FAQs) (PDF, 303KB) for further information on Blue Shield’s implementation of the ICD-10 coding system.

Provider education
Blue Shield provider webinar recordings and presentations of ICD-10. Visit our provider education Tools and Tutorials section to find Blue Shield provider webinar recordings and presentations about ICD-10 authorizations, claims, medical record documentation and more.

Industry resources
For your convenience, we are providing the following links to websites where you can find information about the transition from ICD-9 to ICD-10 codes.

Contact us
Now that we have implemented the transition from ICD-9 to ICD-10 coding at Blue Shield, beginning October 1, 2015, please contact the appropriate departments at Blue Shield for assistance with operations questions:

  • ICD-10 EDI rejections: Email the Electronic Data Interchange (EDI) team at

  • ICD-10 Claims Submission or Processing: Call our Provider Customer Service at (800) 541-6652.

We have received requests from several professional providers for recommendations on choosing ICD-10 diagnosis codes for claims. Since it is not appropriate for a health plan to recommend diagnosis codes for a specific claim, our recommendation is to obtain the ICD-10 coding manuals that are endorsed by reputable associations and refer to those manuals to identify correct ICD-10 diagnosis codes for your practice.

As a reminder, Common Terminology Procedural (CPT) codes that are used for payment in accordance with Blue Shield’s fee professional schedule are not related to the ICD-9 or ICD-10 codes.