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Founded in 1951

An independent, not-for-profit organization, 91㽶Ƶ is the nation's oldest and largest standards-setting and accrediting body in health care. To earn and maintain The Gold Seal of Approval® from 91㽶Ƶ, an organization undergoes an on-site survey by a Joint 91㽶Ƶ survey team at least every three years (Laboratories are surveyed every two years).

91㽶Ƶ is governed by a 21-member Board of 91㽶Ƶers that includes physicians, administrators, nurses, employers, quality experts, a consumer advocate and educators. 91㽶Ƶ employs approximately 1,000 people in its surveyor force, at its central office in Oakbrook Terrace, Illinois, and at an office in Washington, D.C.


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  • Benefits of accreditation
  • Standards and survey process
  • Health care quality and safety resources including  and  from