AZ Blue ID Prefixes - Provider Newsletter December, 2023

For 2024, we’re making several updates to the Blue Cross^® Blue Shield^® of Arizona (AZ Blue) member ID prefixes (typically the first three characters of the member ID). We’re sharing these changes because using the member ID prefix that corresponds to the date of service is critical for timely claim processing, as well as accurate information for eligibility and benefits.

Here is a quick overview of what we’re doing as we transition into the new plan year:

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Activating several new member ID prefixes

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Discontinuing some prefixes (these will remain active for 2023 service dates)

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Assigning the appropriate prefix for members who select a different benefit plan for 2024

See below for details.

2024 member ID prefix updates

See the following tables for specific information you can share with your administrative support teams about the 2024 prefix updates.

New prefixes for 2024

Discontinued prefixes – these will remain active for 2023 dates of service

Submit claims with the correct prefix for the date of service

If you submit a claim using a prefix that isn’t valid for the service date, you will receive a message advising you of the prefix replacement:

"This member’s ID prefix was replaced. Please check the prefix list at azblue.com/prefix and resubmit with the prefix that is valid for this service date."

Visit our Prefix page for resources

For more information and a complete list of prefixes, visit our Prefix page. You’ll also find the following table of prefix replacements for quick reference.

Please share this information with your teams

We ask that you share this overview with your operations teams and third-party billers. If you have questions, please reach out to your Provider Relations Contact or call us at 602-864-4231 or 1-800-232-2345, ext. 4231.

In This Issue

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December news: Executive summary

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5 accepted ways to identify our members

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See our member ID prefix updates for 2024

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New program facilitates accurate coding

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Preview the 2024 Provider Op Guide

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New! Improved discounts for 90-day prescriptions

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