Coordination of Benefits (COB)
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Defines Coordination of Benefits when a member is covered by more than one group or individual plan and explains primary vs. secondary plan roles; applies to Alliant Health members and referenced in Certificates of Coverage and Customer Service materials.
No material clinical or coverage changes in this revision.
Coordination of Benefits Rules
Coordination of Benefits rules
Guidance on benefit order when multiple coverages exist:
ALL of the following
- Identify the primary plan: the plan that provides its full benefits as if there were no other plans involved.
- Identify any secondary plan(s): plans that pay after the primary plan.
Coding and Reference Items
| No codes listed |
Provider Contact and Action Guidance
Key Definitions
OpenPayer is powered by Trek Health's payer performance platform. Trek continuously ingests, validates, and normalizes Transparency in Coverage data alongside payer policies and other commercial payer data to create a structured payer intelligence foundation. OpenPayer uses this foundation to deliver personalized search results, dynamically generated policy pages, and tailored policy monitoring based on each user's payers, specialties, billing codes, and areas of interest. The same intelligence powers broader payer performance workflows, including reimbursement benchmarking, contract evaluation, payer negotiations, and financial decision-making.