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Member Identification

Provider Administrative Policy

Policy Date
April 2007
Revised/February 2015


Our provider administrative policies contain information regarding claims submission, reimbursement, and other information in order to achieve an efficient relationship with our providers. These policies are not an authorization or explanation of benefits. Blue Cross of Idaho retains the right to add to, delete from and otherwise modify this policy in accordance with our provider contracts


Member Identification

There are three ways to identify a Medicare Advantage plan member:

  1. Check the Medicare Advantage identification card. The Medicare Advantage member numbers begin with the following alpha prefixes:
    • XMM - True Blue HMO
    • XMX - True Blue HMO Special Needs Plan
    • XMA - Secure Blue PPO
    • XMI - True Blue Connected Care
  2. Be sure to retain a copy of the member's identification card for your records.
  3. Verify eligibility online through the secure provider portal of Blue Cross of Idaho's website at
  4. Call Blue Cross of Idaho to verify eligibility (see MAPAP102). The Medicare Advantage member identification card contains information necessary for claims submission, the name of the member's primary care physician (PCP), if applicable, and relevant copayments.

Medicare Advantage Member Identification Cards

Policy History

Date Action Reason
February 2015 Revised Added XMI alpha prefix
January 2014 Revised Member ID Cards revised
April 2012 Revised Member ID Cards revised
January 2012 Revised Member ID cards revised
March 2009 Revised Member cards revised
August 2008 Revised Member cards revised
May 2008 Revised Member cards revised

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