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Help needed!

OpenEMR is in need of funding for new development efforts that will benefit outpatient and inpatient users alike. Features include hybrid inpatient/outpatient support, advanced billing, Fast Healthcare Interoperability Resources (FHIR) integration, modern cloud offerings, ability to perform quality reporting, low-cost medical devices connectivity, and other commonly requested solutions. Our vibrant community is dedicated to responding to user needs and setting our priorities to be consistent with the requests of our colleagues abroad. Please consider sending a gift today.

The OpenEMR Documentation Wiki

Overview of OpenEMR

OpenEMR is a Free and Open Source electronic health records and medical practice management application. It is ONC Certified and it features fully integrated electronic health records, practice management, scheduling, electronic billing, internationalization, free support, a vibrant community, and a whole lot more. It can run on Windows, Linux, Mac OS X, and many other platforms.

2011 ONC Ambulatory EHR Certification

  • OpenEMR versions 4.1.0 (released on 9/23/2011), 4.1.1 (released on 8/31/2012) and 4.1.2 (released on 8/17/2013) have 2011 ONC Complete Ambulatory EHR Certification by ICSA Labs.
  • This Complete EHR is 2011/2012 compliant and has been certified by an ONC-ATCB in accordance with the applicable certification criteria adopted by the Secretary of Health and Human Services. This certification does not represent an endorsement by the U.S. Department of Health and Human Services or guarantee the receipt of incentive payments.

  • Information on how eligible provider should register can be found here:
  • After being tested in the ICSA Labs ONC-ATCB 2011/2012 EHR Certification Program, OpenEMR 4.1 attained Complete Ambulatory EHR Certification on August 19th, 2011, satisfying the requirements for the following criteria per the ONC Approved Test Procedures v1.1:
  • See this page for additional vital details:
  • See this page if interested in how certification was achieved:

2014 ONC Ambulatory EHR Certification

  • OpenEMR version 4.2.0 (released 12/28/2014) and 4.2.1 (released 03/25/2016) have 2014 ONC Modular Ambulatory EHR Certification by InfoGard Laboratories.
  • This EHR Module is 2014 Edition compliant and has been certified by an ONC-ACB in accordance with the applicable certification criteria adopted by the Secretary of Health and Human Services. This certification does not represent an endorsement by the U.S. Department of Health and Human Services or guarantee the receipt of incentive payments. This is free software and does not have any additional costs associated with it that related to it use as provided by this project site. There are no limitations.
  • Certification Documents:
  • ONC site link:
  • Ongoing work for 2014 ONC Ambulatory Complete EHR Certification:

2015 ONC Ambulatory EHR Certification

  • Currently in the planning stages.
  • Ongoing work for 2015 ONC Ambulatory Complete EHR Certification:


  • OpenEMR Support Guide: Guide for users on how to take the most advantage of free and professional support for OpenEMR.
  • Professional Support: The OpenEMR project has a large number of vendors and individuals who offer their services supporting, installing, hosting and customizing OpenEMR.
  • DIY Implementation of OpenEMR: A do-it-yourself guide with encouragements.


Official Demos

Development Demos


Installation Manuals

Upgrade Manuals

User Manuals



  • ACL
  • Backup
Lest you rue the day.
Take note of this Forum thread.
  • Billing
  • 837P
  • Clinical Decision Rules
  • Coding
  • Communication
  • Data Import
  • Diagnostic Studies
Step wise explanation of how to configure Procedures:
  • Documents
  • Efficiency Tools
  • Forms
  • Layout Based Visit Forms.
  • Illustration
  • Meaningful Use
  • Navigation
  • Practice Setup
  • Prescription
  • Reports
  • Scheduling

Configuration Manuals




Developer Manuals




Modules and Modular Interfaces

Development Guides

Embedded Components

  • ADODB: ADOdb Database Abstraction Library for PHP.
  • FancyBox: hover-over iframes, used in the user interface.
  • Gritter: pop-up bubbles, for notifications.
  • html2pdf: OpenEMR's embedded html2pdf.
  • Jquery: a javascript toolkit, that makes writing javascript easier.
  • PDF: pdf libraries/packages in OpenEMR
  • PhpGacl: OpenEMR's embedded php-GACL (access controls).
  • PhpMyAdmin: OpenEMR's embedded phpMyAdmin (database administration tool). (requires PHP 5.5+)
  • Open Flash Chart: Embedded javascript flash graphing for for graphing vitals other numeric data in forms.
  • Postnuke Calendar.
  • Smarty
  • Zend (requires PHP 5.3.3+)

File Formats Used


Release Process

Package Development

Project Tools


  • Automated Testing: OpenEMR has an automated test suite designed to help ensure that the code does what it's supposed to and that new features do not break existing features. (note that this thing has been broken/not used for some time now).
  • How to Document Code: A guide for developers to document their code properly.
  • PhpXref: For those of you familiar with PhpXref, here is a parsed copy of 4.0.0. It needs more documentation.

Virtual Appliances




  • General Troubleshooting -- general problems people have experienced with OpenEMR, and (hopefully) their solutions.
  • Common Installation Problems -- problems people have experienced installing OpenEMR, and (hopefully) their solutions.
  • Take advantage of the free community support. If you have a question to ask?

FAQ Frequently Asked Questions

Not only for beginners.

OpenEMR Articles and Presentations


Videos and Presentations

  • POSSCON Presentation (2013).
  • Implementation of OpenEMR in a Paper Primary Care Office By Diane Petersen and Dr. Samuel Bowen.
  • Portland Linux/Unix Group Presentation (2013).
  • OpenEMR Implementation By Diane Petersen.
  • Libre Software Meeting (2012).
  • OpenEMR, a multi-language free open source electronic health record for international use By Dr. Samuel Bowen.
  • Ohio LinuxFest Presentation (2011).
  • Taking OpenEMR to Meaningful Use Certification and Beyond By Dr Samuel Bowen.
  • Portland Linux/Unix Group Presentation (2011).
  • Introduction to OpenEMR By Tony McCormick.
  • POSSCON Presentation (2011).
  • The Development & Growth of the OpenEMR Project By Dr Samuel Bowen and Tony McCormick.
  • OSCON Presentation (2010).
  • Taking OpenEMR, a GPL EMR to ARRA Meaningful Use Certification and beyond Presentation By Dr Samuel Bowen and Tony McCormick.
  • Related Blog Posts:

Ongoing Projects

  • General Marketing of OpenEMR: General articles describing the OpenEMR project and discussing features of OpenEMR.
  • Open Source EMRs are Better: Articles to convince users why open source emrs are better than proprietary emrs by 1) defining open source software, 2) describing why open source EMR's are better than proprietary EMR's, 3) describing how to find a vendor/support and 4) showing examples of OpenEMR working in practices.
  • Success Stories: Clinic success stories are here.

Student Projects


  • Conference Calls.
  • Once weekly conference call that is open to public.
  • Once monthly OEMR board meeting that is open to the public.
  • IRC Discussions.
  • Considering a weekly IRC discussion time at #openemr.


  • Health Information and the Law a project of the George Washington University’s Hirsh Health Law and Policy Program, developed with support from the Robert Wood Johnson Foundation, is designed to serve as a practical online resource to federal and state laws governing access, use, release, and publication of health information.


Organizations Supporting OpenEMR

  • OEMR: OEMR is a 501(c)(3) organization supporting OpenEMR (OEMR wiki page).
  • Sourceforge: Provides the OpenEMR project with free tools, including project management, file release repository, bug tracker, forums, and web space/server for the OpenEMR website and web tools.

Wiki Instructions

Consult the User's Guide for information on using the wiki software.