Program_Memos / 2002 / AB-02-110

Why This Topic Matters

The memorandum affects how Medicare laboratory claims are processed nationally and how contractors align local policies, edits, and documentation handling with the applicable coverage determinations.

Article Sections

1. Background and Purpose

   Introduces the memorandum and describes the broader CMS rulemaking context for clinical diagnostic laboratory services.

2. National Coverage Determinations and Claims Processing Framework

   Explains the role of national coverage determinations, their binding effect, and the general structure used for laboratory service coverage policies.

3. Diagnosis Code List Categories

   Describes the three diagnosis-code groupings used in the laboratory service policies and how they relate to coverage review and claim handling.

4. Local Medical Review Policies and Supplemental Guidance

   Addresses how local policies may supplement national determinations and the limits on conflicts between local and national guidance.

5. Implementation Timelines and Editing System Changes

   Summarizes schedule milestones for specifications, testing, edit table implementation, and the effective dates of the memorandum and related coverage changes.

6. Maintenance, Reconsideration, and Future Updates

   Covers how the policies may be revised over time, including reconsideration processes and clerical maintenance of code lists.