Professional Ethics Standards Review Organization
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Pro·fes·sion·al Eth·ics Stan·dards Re·view Or·gan·i·za·tion
(PSRO) (prŏ-feshŭn-ăl ethiks standărdz rĕ-vyū ōrgă-nī-zāshŭn)U.S. federal agency formed to determine the quality and appropriateness of health care services paid for, in whole or part, under the Social Security Act.