Table 1 Content of the HEGP CDW (as of July 1st, 2016) [27]
From: A Fast Healthcare Interoperability Resources (FHIR) layer implemented over i2b2
| Â | September 2009 | December 2013 | July 2016 |
|---|---|---|---|
Concepts | |||
 Biology (thousands) | 7.29 | 9.1 | 11.2 |
 Diagnostic codes (ICD-10) (thousands) | 21.39 | 39.91 | 40.25 |
 Drugs (thousands) | 31.36 | 33.67 | 41.6 |
Data facts | |||
 ICD Diagnosis (millions) | 1.87 | 2.94 | 7.67 |
 Clinical items (millions) | 20.8 | 61.1 | 122.2 |
 Laboratory results (millions) | 62.8 | 98.0 | 124.3 |
 Drug orders (millions) | 0.95 | 3.2 | 6.4 |
 Text reports (millions) | 0.16 | 2.36 | 3.7 |