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Researcher Resources

Obtaining Counts Preparatory for Research

We have a variety of informatics tools to assess the feasibility of your research idea or complete NIH planned enrollment tables.



UC Research eXchange (UC ReX)

UC ReX currently contains data from over 15 million patients seen across the 5 UC medical centers. More information on UC ReX can be found here.

Sites What You Can Search On:
  • UCLA
  • UCSF
  • UCD
  • UCI
  • UCSD

  • Demographics
  • Pediatric Age Ranges
  • ICD-9 and ICD-10 Codes
  • CPT Codes
  • Laboratory Tests
  • Medications
  • Vital Signs
  • Vital Status
  • Visit Details

Los Angeles Data Resource (LADR)

LADR is a collaborative effort of major Los Angeles healthcare organizations and contains data from over 9 million patients. More information on LADR can be found here.

Sites What You Can Search On:
  • UCLA
  • Cedars-Sinai
  • City of Hope
  • University of Southern California
forthcoming:
  • Children’s Hospital Los Angeles
  • Community clinics affiliated with
    Charles R. Drew University
  • Demographics
  • Pediatric Age Ranges
  • ICD-9 and ICD-10 Codes
  • CPT Codes
  • Laboratory Tests
  • Medications
  • Vital Signs
  • Vital Status
  • Visit Details

Informatics for Integrating Biology & the Bedside (i2b2)

i2b2 is a cohort discovery tool that contains data only from UCLA. More information on i2b2 can be found here.

Sites What You Can Search On:
  • UCLA

  • Demographics
  • Pediatric Age Ranges
  • ICD-9 and ICD-10 Codes
  • CPT Codes
  • Laboratory Tests
  • Medications
  • Vital Signs
  • Vital Status
  • Visit Details (including visit location)


Getting Access to UC ReX/LADR/i2b2


Requirements:

  1. Be affiliated with a participating institution*
  2. Be a Principal Investigator or have a Principal Investigator sponsor your access**
  3. Complete a training session

*For UC ReX, you must be affiliated with UCLA. If you are affiliated with another UC, please contact the appropriate site.

*For LADR, you must be affiliated with one of the sites currently contributing data (UCLA, Cedars-Sinai Medical Center or USC).

*For i2b2, you must be affiliated with UCLA.

**If you are not a Principal Investigator, you must have a Principal Investigator sponsor your access and email their approval to the appropriate system's email address listed in the contact information below.

NOTE: If estimating your population size requires data not available in either tool, it may be possible for the BIP team to run the query for you. If this is the case, please note we will need at least a 2 weeks notice prior to the desired deadline.


Contact Information

ucrex@ctsi.ucla.edu, ladr@ctsi.ucla.edu or i2b2@ctsi.ucla.edu