Blue Shield's ban on balance billing found an "unreasonable restraint on competition".
D001130:Arizona; D054598:Blue Cross Blue Shield Insurance Plans; D004465:Economic Competition / Q000331:legislation & jurisprudence*; D004467:Economics / Q000331:legislation & jurisprudence*; D007357:Insurance, Physician Services; D008404:Massachusetts; D014481:United States; D014485:United States Federal Trade Commission