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ISSSTEMed is an Electronic Health Record conceptualized, funded, and developed by "The State’s Employees´ Social Security and Social Services Institute" (ISSSTE) a decentralized organism that consists of an own administration, a legal personality and own patrimony conformed by the workers’ contributions as well as Federal Government’s aid in Mexico. [1]. It is a comprehensive register system for the medical attention that connects the different areas of the medical unit which participate in the process of health delivery, integrating in this manner all of the information related to the health status of the patient. [2].


In 1994, ISSSTE started a pilot project to help automatize the family medicine clinics, denominated as Automated System of Clinics and utilization of the Electronic Health Record with decentralized databases which was implemented in 6 family medicine clinics in Mexico, D.F.: Xochimilco, Ermita, Cuitláhuac, Xalostoc, Legaría and Narvarte.

In 1995 at the "20 of November" hospital, ISSSTE adopted an Information System of Hospital Administration (SIAH), through which services were provided by 300 terminals of desktop PC and 280 Macintosh equipment's. With the aid of these two technologies, different databases were maintained and a continuous release of newer system versions was delivered. [3].

In 2002, ISSSTE decided to formally develop a web system (4th Generation) which allowed them to localize any hospitalized patient, and which also had the ability to register admissions, departures, and to update the patients health status. During this technological evolution is when ISSSTEMed is formally born in the system of ISSSTE.

By 2004, ISSSTEMed was implemented in 93 medical units at a national level, having a total of 1,765,661 electronic health records; some of them with information such as medical appointments, medical history or register of medical license. [3].

In 2007, ISSSTEMed stared an important stage in its development by incorporating digital technologies into its three levels of care in the medical units; with this the number of medical units increased to 177 medical units at a national level.

Clinical Applications

In 2004, ISSSTEmed provided service to a total of 24 clinical modules integrated into the system:

  • Operating Room
  • Laboratory
  • Cabinet
  • Diets
  • Emergency
  • Public Information
  • Public Web Services
  • Register for Not Entitled
  • Social Work
  • Clinical Archives
  • Health Record Report
  • Internal Pharmacy
  • External Pharmacy
  • Inventory
  • Nurse Control
  • Inpatient Physicians
  • Outpatient Physicians
  • Outpatient
  • Head of Outpatients
  • Patient Cost
  • Education and Research
  • Access Control
  • Hospital Admission
  • ER Physicians

By 2007, this number increased to 42 modules.


  2. EHR 06/11
  3. 3.0 3.1 ISSSTEMed