System Upgrade and Outage to Impact Authorizations

Date: 07/31/25

Scheduled for October 10, 2025

As part of ongoing system maintenance, MHS Health Wisconsin's authorization system will be upgraded, requiring a scheduled system outage:

Friday, October 10 at 10 p.m. (CT) through Monday, October 13 at 7 a.m. (CT.)

During this scheduled outage, we will be unable to receive authorization requests except as noted below. Please resume submission of your authorization requests on Monday, October 13, 2025.

How to Plan for the Outage:

• Plan accordingly and submit any urgent or time-sensitive
  authorization requests prior to the scheduled downtime.
• For urgent authorization requests during the outage, call
  1-833-837-0188. Of note, this number will only be active during this downtime.
• Beginning Monday, October 13 at 7 a.m. CT., providers may
  submit authorization requests as usual.

Thank you for being a valued partner in caring for the health and well-being of our members. If you have any questions about the information shared above, please contact your Provider Relations representative or call the Provider Inquiry Line at 1-800-222-9831. If you are unsure who is your representative, email WI_Provider_Relations@mhswi.com.