NOTICE:

2007 NDI file delayed until September/October 2009
Letter Explaining Delay in the 2007 NDI File [PDF - 24 KB]

 

About the NDI

Learn more about how the NDI matching service operates.

 

How to Use the NDI

Review the steps in the NDI process, from applying for NDI approval to submitting your records for NDI searches.

 

NDI Matching Criteria

The NDI program will permit a match to be listed if any 1 of 7 conditions are satisfied.

• NDI Matching Criteria [PDF - 117 KB]

 

NDI Retrieval Report

See a sample of how the NDI lists possible death record matches for a particular study subject.

• NDI Retrieval Report [PDF - 64 KB]

 

NDI Application Form

This form must be submitted and approved before a researcher is permitted to submit records for an NDI match. Call us on 301-458-4444 before attempting to complete this form.

• NDI Application Form [PDF - 545 KB]
• Criteria to be Applied in Approving NDI Applications [PDF - 92 KB]
  This document is presented here simply to give applicants an idea of how their applications will be reviewed.

 

NDI User Fees

Fees are based on the number of records submitted. The fee schedule includes a worksheet for calculating your total NDI charge.

• NDI User Fees [PDF - 1.1 MB]

 

NDI User's Guide

Contains the first two chapters of the User's Guide.  These chapters explain the steps in the NDI process and how to submit your records for an NDI search.  If you would like to receive an e-mail attachment containing a draft of the entire User's Guide, please send an email ndi@cdc.gov to request the draft document.

• Chapter 1 - How to Use the NDI: Steps in the Process
• Chapter 2 - Preparing Your Records: Record Layout and Coding Specifications

 

Contact NDI Staff

Please send us an email at ndi@cdc.gov to submit any requests and questions you may have concerning the NDI. Please include your name, address, and phone number in your email request, and let us know if you would like to receive a free NDI information packet.

You can also reach us by calling (301) 458-4444.