Program_Memos / 2001 / AB-01-102

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Note:  The following article synopsis was NOT provided by HCPro. It was created by Find-A-Code/innoviHealth.

Article Overview

This article is a CMS Program Memorandum for Medicare intermediaries, carriers, and standard system maintainers. It explains a Common Working File system update tied to Y2K wrapper logic removal, including broad changes to internal date handling, phased implementation, and updates affecting selected maintenance and Medicare Secondary Payer transactions. It also notes when the change becomes effective and implemented, along with references to supporting copybooks and operational follow-up.

Why This Topic Matters

It helps organizations that support Medicare processing understand a system-level update that affects transaction formats, internal date storage, and interface preparation. Readers can use it to determine whether their systems or maintenance workflows are in scope for the described CWF changes.

Article Sections

  1. Program Memorandum and Transmittal Information

    Introductory memorandum information identifying the issuing agencies, transmittal details, and date of release.

  2. Subject and Background

    Overview of the Common Working File system update and the general purpose of the change request.

  3. System Processing Changes

    Discussion of how internal date processing and related CWF components are being updated across the system environment.

  4. Affected Transactions and Copybooks

    Identification of the transaction groups and supporting copybooks included in the phased implementation.

  5. Effective Date, Implementation Date, and Contact Information

    Administrative timing details for when the memorandum applies, when it is implemented, and who to contact with questions.

What You Will Learn

  • What the memorandum is addressing at a high level
  • Which Medicare processing areas are affected by the system update
  • How the article frames the implementation timing and support details
  • What supporting documentation and transaction formats are referenced

Who Should Read This

  • Medicare intermediaries
  • Medicare carriers
  • Standard system maintainers
  • CMS claims processing personnel
  • Healthcare IT teams supporting Medicare transaction interfaces

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