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     Click here for information on ICD-10 for Medicare Fee-for-Service ProvidersThe Medicare Learning Network


How to Use The National Correct Coding Initiative (NCCI) Tools [PDF, 4MB]  is designed to provide education on how to navigate the CMS NCCI web pages. It includes information on how to look up Medicare code pair edits and medically unlikely edits (MUEs), as well as an explanation of how the NCCI tools can help providers avoid coding and billing errors and subsequent payment denials.

How to Use the Medicare National Correct Coding Initiative (NCCI) Tools Crossword Puzzle [ZIP, 426KB]

Welcome to the Medicare Learning Network® (MLN) Products Overview page, your destination for health care professional education products.

  • MLN Catalog — is a free interactive downloadable document that lists all MLN products by media format. To access the catalog, scroll to the "Downloads" section and select "MLN Catalog" Once you have opened the catalog, you may either click on the title of a product or you can click on the type of "Formats Available." This will link you to an online version of the product or the Product Ordering Page.
  • MLN Publications List - contains the electronic versions of the downloadable publications. These products are available to you for free. To access the MLN Publications go to the left hand column on the page and select "MLN Publications." You will then be able to use the “Filter On” feature to search by topic or key word or you can sort by date, topic, title, or format.
  • MLN Product Ordering Page — allows you to order hard copy versions of various products. These products are available to you for free. To access the MLN Product Ordering Page, scroll to the "Related Links" and select "MLN Product Ordering Page."
  • MLN Product of the Month — highlights a Medicare provider education product or set of products each month along with some teaching aids, such as crossword puzzles, to help you learn more while having fun!

To access the Medicare Administrative Contractors (MACs) Toll Free Numbers, use the Review Contractor Directory - Interactive Map.

If you would like to contact the MLN, please email us at