How to Handle Plan Design Changes Mid-Year

Mid-year changes happen. Carriers switch, formularies shift, or employers move from fully insured to level-funded. But here’s what most don’t realize:

Any significant change can affect a plan’s creditable status.

What Triggers Re-testing?

  • Carrier or PBM changes

  • Shift in cost-sharing or copay structure

  • New or dropped drug coverage tiers

  • Self-funded plan redesigns

Best Practices:

  1. Re-test the plan using updated documents

  2. Generate a new determination letter for your records

  3. Re-send notices if creditable status has changed

With Creditable, you can re-test a plan in minutes and protect your team from last-minute surprises or noncompliance.

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Step-by-Step Guide to Sending Creditable Coverage Notices

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What the 2026 CMS Rule Change Means for Employers