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. 2019 Jan 2;26(3):242–253. doi: 10.1093/jamia/ocy165

Table 1.

Integrated data repository data domain categories

Domain Descriptions Data Type # of Eligible Featuresa
ALERTS Includes drug interaction, dose warnings, drug interactions, medication administration warnings, and best practice alerts Binary 1230
ALLERGY Includes documented allergies and reactions Binary 60
DEMOGRAPHICS Basic demographics such as age, gender, race, etc., as well as their reachability, and some geographical information Binary/ Numeric 10
DIAGNOSES Organized using ICD9 and ICD10 hierarchies. Intelligent Medical Objects interface terms are grouped to ICD9 and ICD10 levels. Diagnosis resources are further separated by source of the assignment (eg, EMR, professional billing, technical billing, registry). Binary 4769
HISTORY Contains family, social (ie, smoking), and surgical history from the EMR Binary/ Numeric 155
LABORATORY TESTS Results of a variety of laboratory tests, including cardiology and microbiology findings. Note that the actual lab values are used in modeling, if available (excluding serum creatinine, eGFR, ACR). Binary/ Numeric 1745
MEDICATIONS Includes dispensing, administration, prescriptions, as well as home medication reconciliation at KUH, grouped at semantic clinical drug form (SCDF) or semantic clinical brand form (SCBF) level. Medication resources are further separated by types of medication activity. Binary 1240
NAACCR (ABRIDGED) Includes information from the North American Association Central Cancer Registry translated to layman terms43 Binary 151
NCDR Includes information from the Cath PCI National Cardiovascular Data Registry44 Binary 253
NTDS Includes information entered into the National Trauma Registry45 Binary 175
PROCEDURES Includes CPT professional services and inpatient ICD9 billing procedure codes Binary 571
ORDERS Includes physician orders for non-medications such as culture and imaging orders from the EMR Binary 1091
REPORTS Includes observations from physician notes authored in the EMR using templates that collect structured data elements Binary 1081
VIZIENT (formerly UHC) Includes both billing classifications such as Diagnostic Related Groups (DRG), comorbidities, discharge placement, LOS, and national quality metrics Binary 696
VISIT DETAILS Includes visit types, vital signs collected at the visit, discharge disposition, and clinical services providing care from both EMR and billing Binary/ Numeric 480
a

These are not all distinct concepts from the entire HERON system, but only the total number of distinct features that had ever been recorded for at least 1 patient in the study cohort.