Terms of Use

Informatics for Integrating Biology & the Bedside (i2b2) Cohort Discovery System


By logging in to the Informatics for Integrating Biology & the Bedside (i2b2) Cohort Discovery System, I agree to protect the integrity and confidentiality of all information made available to me from the use of this system and to comply with limitations on the use of this system as stated below.



  1. I agree to conduct queries only for purposes of planning research involving patients or patient data from UCLA.
  2. If I am a Principal Investigator of UCLA, I agree to ensure that my designees with access to i2b2 agree to comply with these Terms of Use. If I am a designee of a Principal Investigator, I agree to conduct cohort discovery queries only with the full knowledge and approval of my supervising Principal Investigator.
  3. I understand that cohort discovery queries will be audited and I agree to be individually accountable for each query that is run using my account


  1. not to share my username or password with anyone and not to allow others to conduct queries using my account in any other way;
  2. not to attempt to identify individuals represented in the query results by any means, including use of local electronic health records or other information together with the results;
  3. not to use or disclose the results of cohort discovery queries to any entity or individual for any purpose other than (1) to serve as preliminary data in research funding proposals, (2) in Institutional Review Board applications to conduct proposed research, and (3) other uses individually approved by the UCLA Clinical and Translational Science Institute (CTSI) Informatics Program (IP) staff, or as required by law;
  4. to report in writing to the UCLA CTSI IP staff any use or disclosure of query results that I become aware of that are not provided for by this Agreement, including without limitation, any disclosure to an unauthorized individual or entity, within ten (10) days of its discovery;
  5. to immediately notify the UCLA CTSI IP staff of any request or subpoena for query results, or other official inquiries. To the extent that UCLA decides to challenge such requests, I will cooperate fully in any such challenge.