Final answer:
When an ITWx call related to a Cerner Millennium application cannot be resolved by the Cerner Help Desk, the issue should be escalated to a specialized support team or a higher technical support tier designed for complex issues.
Step-by-step explanation:
If an ITWx call is determined to be related to a Cerner Millennium application and the Cerner Help Desk cannot resolve it, the next step typically involves escalating the issue to a specialized support team or a higher-level technical support tier. These support structures are designed to handle more complex issues that the first-level support may not be equipped to resolve.
In some organizations, this could involve a specific team within the IT department or external experts who have specialized knowledge of the Cerner Millennium system. The escalation process ensures that the issue gets the attention it needs from professionals with the right expertise to troubleshoot and solve intricate problems.