Requesting access

The latest version of MIMIC is MIMIC-III v1.4, which comprises over 58,000 hospital admissions for 38,645 adults and 7,875 neonates. The data spans June 2001 - October 2012. The database, although de-identified, still contains detailed information regarding the clinical care of patients, so must be treated with appropriate care and respect.

Researchers seeking to use the database must formally request access with the steps below.

Complete the required training course

Prior to requesting access to MIMIC, you will need to complete the CITI “Data or Specimens Only Research” course:

  • First register on the CITI program website, selecting “Massachusetts Institute of Technology Affiliates” as your affiliation (not “independent learner”):
  • Follow the links to add a Massachusetts Institute of Technology Affiliates course. In the Human Subjects training category, select the “Data or Specimens Only Research” course
  • Complete the course and save a copy of your completion report. The completion report lists all modules completed, with dates and scores.

Request access to MIMIC-III:

  • Create an account on PhysioNet using the following link: If you already have a PhysioNetWorks account, log in to it.
  • Follow the instructions on PhysioNet to apply for access to the MIMIC-III project, remembering to provide your CITI completion report:
  • When your application has been approved you will receive emails containing instructions for downloading the database from PhysioNetWorks. Approval may take several business days, and will be delayed if your request is missing any required information.

You will need to fill in a form to submit a data use agreement and request access to restricted-access clinical databases hosted on PhysioNet. Please be sure to provide all requested information. Submissions that are clearly incomplete, incorrect, or frivolous may be discarded without notice.

If you are a student or a postdoc, you must provide your supervisor’s name and contact information in the “reference” section of the form. If you are not listed in a directory or other easy-to-find page of your organization’s website, please provide the name and contact information of a reference such as a supervisor or colleague. Do not list yourself as reference.

Be sure to upload the completion report from the CITI “Data or Specimens Only Research” training program (PDF or image file). The completion report lists all modules completed, with dates and scores. If you would like to submit multiple pages, please combine them into a single pdf file.

MIMIC-III v1.4 documentation