BlueCard® Glossary

Three-Character Prefix
Three characters preceding the subscriber identification number on Blue Cross Blue Shield (BCBS) cards required for routing claims.
Blue Cross Blue Shield Association's website, which contains information for providers.

BlueCard Eligibility
A toll-free 800 number, 1-800-676-BLUE (2583), for provider out-of-state membership and coverage information.

Member's Benefit Plan
The BCBS Plan where the patient's policy was issued.

Provider's Servicing Plan
The BCBS Plan where the services are rendered.