Fact Based List:

Top Five Types of Data Exchanged by Health Information Exchange Initiatives

  1. Laboratory Results (68 Initiatives)
  2. Medication Data (63 Initiatives)
  3. Outpatient laboratory results (62 Initiatives)
  4. Allergy Info (61 Initiatives)
  5. Emergency Department episodes/discharge summaries (58 Initiatives)

Source: eHealth Initiative’s 2010 Annual Survey of Health Information Exchange
Source URL: http://www.ehealthinitiative.org/key-findings.html
Notes: 199 of the 234 known initiatives, responded to and qualified for inclusion in the 2010 Annual Survey on Health Information Exchange.