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OKEMSIS (Oklahoma Emergency Medical Service Information System) 

Mandatory Database for all EMS Providers in Oklahoma
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The new OKEMSIS v3.3.4 Data Dictionary is now available to all EMS agencies.  A timeline for conversion is linked here along with the State EMS Run Form that correlates with the v3.3.4 Data Dictionary.  The State database will also be upgraded to the Elite ImageTrend version 3 product during the conversion timeline.  Click here for a list of computer/system requirements for the Elite database.  If you have any questions about the OKEMSIS v3.3.4 Data Dictionary please send them to MartinL@health.ok.gov or call Emergency Systems at (405)271-4027.   

Free OKEMSIS Elite Database trainings will be scheduled on a regional basis. Individual agency trainings can be scheduled upon approval by OSDH staff. Contact Martin Lansdale at MartinL@health.ok.gov or call Emergency Systems at (405)271-4027 for more information.

OKEMSIS Elite Database FAQ(Includes information on database URL, test site, setting up your service and Elite Field users)

As of 6-21-2016 the OKEMSIS v3.3.4 Data Dictionary has been updated. A list of updates to the Data Dictionary can be found here.

Elite Suggested Code List as of March 23, 2016

NOTE: Time line for conversion to OKEMSIS v3.3.4 is subject to change by OSDH personnel if significant issues arise with the OKEMSIS ELITE database (state site) during the testing phase.



Since 2002, OAC 310:641-3-160 has required all EMS agencies to submit data about all ambulance responses to the Oklahoma EMS Database. This database has been a great success, growing to nearly 3.5 million runs with quality and completeness improving steadily.

The need for better national EMS data has led to the establishment of the National EMS information system (NEMSIS). The majority of all states are participating in this effort.  The pre-2009 Oklahoma EMS Database was developed before NEMSIS and used an older data collection and storage format. In order to submit data as required, Oklahoma changed to a NEMSIS-compliant database (v2.2.1) in 2009 purchased with grant funding through the Oklahoma Highway Safety Office.  In order to adhere to the updated v3.3.4 NEMSIS national data standard and to facilitate improved Oklahoma EMS data quality, the OKEMSIS Elite v3.3.4 Data Dictionary has been compiled.

Providers submit data to the website one run at a time, or in "batches".  "Batch" submitters will need to work with their data vendors to ensure they have a compatible download format. Most vendors have already developed NEMSIS-compliant download formats, and will need to add only the "Oklahoma-specific" data fields to be fully compliant. Formats can be tested on the OKEMSIS ELITE testing website (e-mail martinl@health.ok.gov  for more information regarding the testing site).

Effective January 1, 2016, Oklahoma EMS providers must collect all required data fields as shown in the OKEMSIS Elite v3.3.4 Data Dictionary.  All providers must begin submitting their data to the new OKEMSIS Elite database by January 1st, 2016.

Few things are as important to the future of EMS as good data.  We need to be able to show that our work makes a demonstrable difference in patient outcomes.  Thanks in advance for your cooperation as we complete this important step in the development of EMS as a profession.

Both Regional and Individual Agency training is available. Please contact MartinL@health.ok.gov to schedule your training.


OKEMSIS EMS Service Call Summary and Trend Analysis 2009-2013

OKEMSIS Data Report 2009-2013 Slide Show

For questions contact: Martin Lansdale, Epidemiologist: Martinl@health.ok.gov


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