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MLN Educational Tool

MLN9018659 — April 2022

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How to Use the Medicaid National Correct Coding Initiative (NCCI) Tools

Manuals

The Medicaid NCCI Reference Documents webpage shown in Figure 6 includes links to the Medicaid NCCI Policy Manual, Medicaid NCCI TGM, and Medicaid NCCI Correspondence Language Manual. You also can get to the manuals by choosing Reference Documents in the menu on the left side of The National Correct Coding Initiative in Medicaid webpage.

Medicaid NCCI Reference Documents Webpage
Figure 6: Medicaid NCCI Reference Documents Webpage
This figure shows the top of the Medicaid NCCI Reference Documents webpage. The Recent NCCI Manuals heading is highlighted.

The Medicaid NCCI Reference Documents webpage also includes links to Proper Use of Modifiers 59 & -X{EPSU}, NCCI MUE and PTP Edit Savings Guidance for State Medicaid Agencies, reports to Congress, and an archive of past manuals.

Medicaid NCCI Policy Manual

The Medicaid NCCI Reference Documents webpage has a link to the Medicaid NCCI Policy Manual.

The manual’s Introduction and Chapter 1 are excellent resources for basic information about proper coding practices and the development of NCCI edits. The Introduction includes general NCCI background information. Chapter 1, General Correct Coding Policies, addresses general coding principles, issues, and policies. Chapters dealing with specific groups of HCPCS/CPT codes further address many of these principles, issues, and policies.

Carefully review chapters that apply to code ranges you bill. These chapters include detailed information about correct coding and NCCI-associated modifiers for separately reportable services.

Medicaid NCCI Technical Guidance Manual (TGM)

The NCCI program updates the Medicaid NCCI TGM annually. The TGM offers technical help for states on correctly and completely implementing NCCI edits.

Medicaid NCCI Correspondence Language Manual

The Medicaid NCCI Correspondence Language Manual offers guidance to providers when a fiscal agent or SMA refers to a CLEID.