Blue Cross Blue Shield Association
（重定向自BlueCross）
The Blue Cross Blue Shield Association (BCBSA) is a federation of 36 separate United States health insurance organizations and companies, providing health insurance to more than 106 million Americans. Blue Cross was founded in 1929, and became the Blue Cross Association in 1960, while Blue Shield emerged in 1939 and the Blue Shield Association was created in 1948. The two organizations merged in 1982.