OLDWICK, N.J.--(BUSINESS WIRE)-- #insurance--AM Best has affirmed the Financial Strength Rating (FSR) of A (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICRs) of "a+†(Excellent) of the core Blue Cross Blue Shield (BCBS)-branded insurance subsidiaries of Elevance Health, Inc. (Elevance) (Indianapolis, IN) [NYSE: ELV], as well as most of its non-Blue-branded subsidiaries. In addition, AM Best has upgraded the FSR to A (Excellent) from A- (Excellent) and the Long-Term ICR to "a+†(Excellent). ...