Today you will find The BCBS Alpha Numeric Prefix List from G2A to G9Z. The alpha Numeric prefix is very important to the identification number. The prefix acts as a key element in confirming the members’ eligibility and coverage information. Prefixes are also used to identify and correctly route claims to the appropriate Blue Cross Blue Shield Plan for processing. Most … [Read more...] about BCBS Alpha Numeric Prefix List (G2A to G9Z)