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  2. ANSI 834 Enrollment Implementation Format - Wikipedia

    en.wikipedia.org/wiki/ANSI_834_Enrollment...

    The 834 is used to transfer enrollment information from the sponsor of the insurance coverage, benefits, or policy to a payer. The format attempts to meet the health care industry's specific need for the initial enrollment and subsequent maintenance of individuals who are enrolled in insurance products.

  3. Optum - Wikipedia

    en.wikipedia.org/wiki/Optum

    Optum was formed as a subsidiary of UnitedHealth Group in 2011 by merging UnitedHealth Group’s existing pharmacy and care delivery services into the single Optum brand, comprising three main businesses: OptumHealth, OptumInsight and OptumRx. [2] In 2017, Optum accounted for 44 percent of UnitedHealth Group's profits. [3]

  4. Electronic remittance advice - Wikipedia

    en.wikipedia.org/wiki/Electronic_Remittance_Advice

    An electronic remittance advice (ERA) is an electronic data interchange (EDI) version of a medical insurance payment explanation. It provides details about providers' claims payment, and if the claims are denied, it would then contain the required explanations. The explanations include the denial codes and the descriptions, which present at the ...

  5. X12 Document List - Wikipedia

    en.wikipedia.org/wiki/X12_Document_List

    Download as PDF; Printable version; In other projects ... The following is a list of all ASC X12 transaction sets across all releases. [1] ... Electronic Form ...

  6. Electronic data interchange - Wikipedia

    en.wikipedia.org/wiki/Electronic_data_interchange

    EDI provides a technical basis for automated commercial "conversations" between two entities, either internal or external. The term EDI encompasses the entire electronic data interchange process, including the transmission, message flow, document format, and software used to interpret the documents.

  7. Change Healthcare - Wikipedia

    en.wikipedia.org/wiki/Change_Healthcare

    Change Healthcare was established in 2007 and based in Brentwood, Tennessee. [5] The company provided healthcare consumer engagement [clarification needed] and health plan cost transparency tools to health plans and large, self-insured employers, [6] across the United States.

  8. Pharmacy benefit management - Wikipedia

    en.wikipedia.org/wiki/Pharmacy_benefit_management

    For example, the vertical integration of the three largest PBMs, CVS Caremark, Cigna Express Scripts, and UnitedHealth Group’s Optum Rx, in which each owns their own insurance companies and pharmacies, allows PBMs to divert patients away from nonaffiliated independent pharmacies and toward their affiliated pharmacies.

  9. UnitedHealth Group - Wikipedia

    en.wikipedia.org/wiki/UnitedHealth_Group

    An October 2021 New York Times report identified UnitedHealth in a list of Medicare insurers accused of over-billing. According to the Inspector General, a whistleblower came forward, so the U.S. government went after UnitedHealth for over-billing Medicare. Executives at UnitedHealth Group told workers to mine old medical records for more ...