OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has revised the outlooks to negative from stable and affirmed the Financial Strength Rating (FSR) of A- (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “a-” of BCBSM, Inc., d/b/a Blue Cross Blue Shield of Minnesota (BCBSM) and its insurance affiliate, HMO Minnesota d/b/a Blue Plus (Blue Plus). In addition, A.M. Best has revised the outlook to negative from stable and affirmed the Long-Term Issue Credit Rating of “bbb+” on the $250