“The purpose of the RAC Validation Contractor (RVC) is to review RAC claim determinations on Medicare claims that were paid under part A or B of title XVIII of the Social Security Act, and to ensure that the Recovery Audit Contractors (RACs) are not unnecessarily denying Medicare claims that were properly paid…” See full solicitation here.
Source: FBO.gov, RAC Validation Contractor (RVC) Solicitation Number: 5FCMC18R0004