Table 1. Proposed data elements for a Canadian ED information system (CEDIS)

ED Administration

CJEM 2001;3(4):280

Table 1. Proposed data elements for a Canadian ED information system (CEDIS)
Description*	Element priority			Description*	Element priority
	NACRS	HEDWG	CEDIS		NACRS	HEDWG	CEDIS
Demographic elements				Clinical elements
Institution number		M	M	Institution transferred from		O	M
Chart number	M	M	M	Means of arrival		M	M
Encounter number	M	M	M	Ambulance call number	O	O	M
Encounter sequence number	M	M	M	Type of ED visit †		O	M
Health care number	M	M	M	Triage level	M	M	M
Province issue health care no.	M	M	M	Chief complaint		O	M
Gender	M	M	M	ED diagnosis	M	M	M
Birthdate	M	M	M	Other problem	M	M	M
Age		M	M	E-code	M	M	M
Age unknown indicator		M	M	Place of injury event		‡	M
Responsibility for payment	M	M	M	Primary provider type	M	M	M
Postal code	M	M	M	Provider ID number			M
Residence code / geographic	M	M	M	Provider type(s)	M	M	M
Name		O	M	Main intervention	M	M	M
Language		O	M	Anesthetic technique§	O	O	M
Residence type	O	O	P	Blood transfusion ‡	M	M	M
Marital status	M	M	O	Blood components / products	M	M	M
Birthdate estimated	M	M	O	Units of blood transfused	O	O	M
Residence description		O	O	Visit disposition			M
Living arrangements	O	O	O	Institution transferred to		O	M
Highest level of education	O	O	O	Activity when injured	O	O	P
Occupation		O	O	Description of injury event		O	O
Interpreter required		O	E	Referral source		O	O
				Mode of visit	O	O	O
Process and time elements				Triaged by		O	O
Arrival date			M	Diagnosis type		O	O
Arrival time			M	Last tetanus immunization		O	O
Registration date		O	M	Medication allergies		O	O
Registration time	M	M	M	Provider description		O	O
Triage date		O	M	Doctor type		O	O
Triage time		O	M	Procedural doctor		O	O
Date first seen by RN		O	M	ED procedure type		O	O
Time first seen by RN		O	M	Anesthetic provider			O
Date first seen by MD		O	M	Anesthetist description		O	O
Time first seen by MD		O	M	ED referred to		O	O
Date consultant called¶			M	Referred to		O	O
Time consultant called¶		O	M	Type of visit	M	M	E
Date consultant answered¶			M	Procedure (intervention) date		O	E
Time consultant answered¶		O	M	Other interventions	M	M	E
Date consultant arrived¶			M	Anesthetist number		O	E
Time consultant arrived¶		O	M
Date of disposition decision		M	M
Time of disposition decision	M	M	M	Utilization elements
Date of decision to admit		O	M	Date lab ordered		O	M
Time of decision to admit	M	M	M	Time lab ordered		O	M
Departure date (from ED)		M	M	Time lab specimen drawn		O	M
Departure time (from ED)			M	Time lab received specimen		O	M
ED admit wait time	M	M	M	Time lab reported to ED		O	M
Length of stay		M	M	Date x-ray requested		O	M
Departure delay reason		O	P	Time x-ray requested		O	M
Date consultation completed			P	Date x-ray performed			M
Time consultation completed		O	P	Time x-ray performed		M	M
Triage reassessment date		O	O	Time x-ray reported		M	M
Triage reassessment time	O	O	O	Date ED medication ordered		O	O
Time ED bed vacated			O	Time ED medication ordered			O
ED delay time	M		E	Date ED medication delivered			O
Date of visit	O	O	E	Time ED medication delivered		O	O
Time of visit	O	O	E	Physician ordereding ED meds		O	O
Time ED bed ready			E
Bed assignment in hospital			E	Critical care info (see Note)
NACRS = National Ambulatory Care Reporting System; HEDWG = Hospital Emergency Department Working Group. *Additional description of mandatory elements is provided in Appendix 1; †See Table 2 (replaces NACRS type of visit); ‡if applicable; §Anesthetic techniques applied in the ED; ¶Or provider, if a primary care physician or nurse called in. Note: Critical care redirect and bypass times, and ED observation unit data not discussed in the preliminary data set.