i2b2 Access

Use the i2b2 Tool

Approved users can sign in to the i2b2 system to build and run queries (must be logged in to the Mayo Clinic network).

Log in to i2b2 now.

Request i2b2 Access

Understanding the i2b2 data is fundamental to building queries correctly and properly interpreting the query results. Completion of i2b2 training is required to obtain access to i2b2. All users are encouraged to carefully review additional information about the data.

Complete the following steps to access Mayo Clinic's i2b2 installation:

  1. Complete online or in-person i2b2 training or participate in a full i2b2 demonstration.
  2. Email the i2b2 team with your request and LAN ID to receive your username and password.
  3. Log in to the Mayo Clinic network.
  4. Enter your username and password on the i2b2 login page.


Mayo Clinic's installation of the i2b2 tool is offered and supported by the Center for Clinical and Translational Science (CCaTS).

National Institutes of Health (NIH) Public Access Policy requires that all publication that results from NIH funding be uploaded to PubMed Central. Review the process for uploading publications.

All users of the i2b2 tool must cite the NIH Clinical and Translational Science Award (grant UL1TR000135) in any resulting publications. Citation meets NIH regulations and helps ensure that support is available for future research.

Find more information and example citations.