How to submit inpatient authorization requests to Blue Cross during upcoming holiday closures

Blue Cross Blue Shield of Michigan and Blue Care Network corporate offices will close on the following holidays:

During these office closures, the Blue Cross inpatient utilization management area will still accept inpatient authorization requests for Blue Cross PPO (commercial) and Blue Cross Medicare Plus BlueSM PPO members. Follow this advice for submitting inpatient authorization requests during corporate office closures:

Type of request Blue Cross PPO (commercial) Blue Cross Medicare Plus Blue PPO
Acute initial inpatient admissions Submit requests 24/7 through the e-referral system.
Or, you can submit them through the X12N 278 Health Care Services Review – Request for Review and Response electronic standard transaction.
Post-acute initial and concurrent admission reviews
  • Follow the current process.
  • Fax requests to 1-866-411-2573.
  • Follow the current process.
  • Fax requests to eviCore healthcare at 1-844-407-5293.
Other inpatient services Fax the following requests to 1-800-482-1713:

  • Authorization requests for sick or ill newborns
  • Federal Employee Program members with contract eligibility issues
  • Ineligible members or members with no contract
 Not applicable
Urgent inpatient requests only Call the Blue Cross after-hours urgent hotline at 313-448-3619 for any immediate or urgent need.

Find additional e-referral system resources elsewhere on this website.

Posted: November 2018
Line of business: Blue Cross Blue Shield of Michigan