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April 2020

New Blue Cross, BCN members to be issued alphanumeric subscriber IDs in 2020

Blue Cross Blue Shield of Michigan and Blue Care Network will issue alphanumeric subscriber IDs to new members, starting July 1, 2020. This will apply to all Blue Cross and BCN members, including our Medicare Advantage members.

Blue Cross will use the letter M after the prefix to begin the alphanumeric ID. For example, a new subscriber ID could look like this: XYZM91234567.

The alphanumeric subscriber IDs (de-identified IDs, which appear on subscribers’ member ID cards) are being implemented to avoid duplication with existing Social Security numbers, align with other health plans and to automate manual processes formerly used to correct the duplicate numbers.

There are currently no plans to change subscriber IDs for existing members.

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*CPT codes, descriptions and two-digit numeric modifiers only are copyright 2019 American Medical Association. All rights reserved.
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