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The Travelers' Electronic Health Record Template (TrEHRT, pronounced treat) is a form of personal health record open source software that was developed to aid travelers access necessary medical records during travel. The data is meant to be useful for emergency situations without requiring constant updating by including mostly static medical information. This was developed as a standard for travel personal health records under the International Medical Informatics Association (IMIA).

TrEHRT is portable and can be accessed through android smartphones, the internet or with thumb drives. Login is not required to view basic information such as blood group, allergies and the contact number of the consumer’s physician.

Features of the template

Basic patient data:

  • Full name
  • Country code(s)
  • Blood group and type
  • Allergies
  • Marital status
  • Mother language
  • Insurance
  • Emergency contact name, relationship to individual and contact information
  • Passport/ID number
  • Language
  • Body weight and height
  • Occupation
  • Spouse name
  • Religion
  • Employer name

Present medications:

  • Medication name
  • Prescription period (from-to)
  • Medication (ATC code)
  • Frequency

Medical history:

  • Diagnosis (ICD-10 preferred or ICD-9 moving to SNOMED when and if available)
  • Allergy (free text now; RxNorm when available)
  • Smoking and drinking status
  • Vaccination history

Test report:

  • Surgical history
  • Laboratory report
  • Examination report

Travel history:

  • Country code(s)
  • Date (from-to)
  • Status

Family heredity disease history:

  • Father, mother disease

Physician contact:

  • Source of regular medical care, eg, physician, clinic and contact information

How to use

  1. Open an account at
  2. Enter your demographic and medical information
  3. Install TrEHRT on your android phone via link on or through android market
  4. Open TrERHT on your android phone and enter your login information

Once viewed on your android phone your information will be saved to your device harddrive so that an internet connection is not needed for future viewing.

Security and standards

TrEHRT uses data encryption, HTTPS, and MD5 security protocols to protect user data. Interoperability is achieved through standards, when applicable, as mentioned above in the features sections. Examples include, ICD-10, SNOMED, RxNorm, and ATC.


  1. Li YC, Detmer DE, Shabbir SA, Nguyen PA, Jian WS, Mihalas GI, Shortliffe EH, Tang P, Haux R, & Kimura M. A global travelers' electronic health record template standard for personal health records. J Am Med Inform Assoc 2012:19:134-136
  2. TrEHRT website:

Submitted by Nick Pompa