Table 2–b Summary of changes to health region codes, names and boundaries, 2003 and 2005

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Table 2–b
Summary of changes to health region codes, names and boundaries, 2003 and 2005
2003 2005
Newfoundland and Labrador 1
1001, Health and Community Services St. John's Region 1011, Eastern Regional Integrated Health Authority 7, 8
1002, Health and Community Services Eastern Region 1011, Eastern Regional Integrated Health Authority 7, 8
1003, Health and Community Services Central Region 1012, Central Regional Integrated Health Authority8
1004, Health and Community Services Western Region 1013, Western Regional Integrated Health Authority8
1005, Grenfell Regional Health Services Board 1014, Labrador-Grenfell Regional Integrated Health Authority7, 8
1006, Health Labrador Corporation 1014, Labrador-Grenfell Regional Integrated Health Authority7, 8
Prince Edward Island
1101, West Prince no change
1102, East Prince no change
1103, Queens no change
1104, Kings no change
Nova Scotia2
1201, Zone 1 no change
1202, Zone 2 no change
1203, Zone 3 no change
1204, Zone 4 no change
1205, Zone 5 no change
1206, Zone 6 no change
1211, District health authority 1
1212, District health authority 2
1213, District health authority 3
1214, District health authority 4
1215, District health authority 5
1216, District health authority 6
1217, District health authority 7
1218, District health authority 8
1219, District health authority 9
New Brunswick
1301, Region 1 no change
1302, Region 2 no change
1303, Region 3 no change
1304, Region 4 no change
1305, Region 5 no change
1306, Region 6 no change
1307, Region 7 no change
2401, Région du Bas-Saint-Laurent no change
2402, Région du Saguenay - Lac-Saint-Jean no change
2403, Région de Québec 2403, Région de la Capitale-Nationale8
2404, Région de la Mauricie et Centre-du-Québec no change
2405, Région de l'Estrie no change
2406, Région de Montréal-Centre 2406, Région de Montréal8
2407, Région de l'Outaouais no change
2408, Région de l'Abitibi-Témiscamingue no change
2409, Région de la Côte-Nord no change
2410, Région du Nord-du-Québec no change
2411, Région de la Gaspésie-Îles-de-la-Madeleine no change
2412, Région de la Chaudière-Appalaches no change
2413, Région de Laval no change
2414, Région de Lanaudière no change
2415, Région de Laurentides no change
2416, Région de la Montérégie no change
2417, Région du Nunavik no change
2418, Région des Terres-Cries-de-la-Baie- James no change
3501, Champlain DHC
3502, Southeastern Ontario DHC
3503, Durham-Haliburton-Kawartha and Pine Ridge DHC
3504, Toronto DHC
3505, Simcoe York DHC
3506, Halton-Peel DHC
3507, Waterloo Region-Wellington-Dufferin DHC
3508, Hamilton DHC
3509, Niagara DHC
3510, Grand River DHC
3511, Thames Valley DHC
3512, Essex-Kent and Lambton DHC
3513, Grey Bruce Huron Perth DHC
3514, Northern Shores DHC
3515, Algoma-Cochrane-Manitoulin and Sudbury DHC
3516, Northwestern Ontario DHC
3501, Erie St. Clair
3502, South West
3503, Waterloo Wellington
3504, Hamilton Niagara Haldimand Brant
3505, Central West
3506, Mississauga Halton
3507, Toronto Central
3508, Central
3509, Central East
3510, South East
3511, Champlain
3512, North Simcoe Muskoka
3513, North East
3514, North West
3526, The District of Algoma Health Unit no change
3527, Brant County Health Unit no change
3530, Durham Regional Health Unit no change
3531, Elgin-St Thomas Health Unit no change
3533, Grey Bruce Health Unit no change
3534, Haldimand-Norfolk Health Unit no change
3535, Haliburton, Kawartha, Pine Ridge District Health Unit  no change
3536, Halton Regional Health Unit no change
3537, City of Hamilton Health Unit no change
3538, Hastings and Prince Edward Counties Health Unit no change
3539, Huron County Health Unit no change
3540, Chatham-Kent Health Unit no change
3541, Kingston, Frontenac and Lennox and Addington Health Unit no change
3542, Lambton Health Unit no change
3543, Leeds, Grenville and Lanark District Health Unit no change
3544, Middlesex-London Health Unit no change
3545, Muskoka-Parry Sound Health Unit4
3546, Niagara Regional Area Health Unit no change
3547, North Bay and District Health Unit 3547, North Bay Parry Sound District Health Unit7, 8
3549, Northwestern Health Unit no change
3551, City of Ottawa Health Unit no change
3552, Oxford County Health Unit no change
3553, Peel Regional Health Unit no change
3554, Perth District Health Unit no change
3555, Peterborough County-City Health Unit no change
3556, Porcupine Health Unit no change
3557, Renfrew County and District Health Unit no change
3558, The Eastern Ontario Health Unit no change
3560, Simcoe County District Health Unit 3560, Simcoe Muskoka District Health Unit7, 8
3561, Sudbury and District Health Unit no change
3562, Thunder Bay District Health Unit no change
3563, Timiskaming Health Unit no change
3565, Waterloo Health Unit no change
3566, Wellington-Dufferin-Guelph Health Unit no change
3568, Windsor-Essex County Health Unit no change
3570, York Regional Health Unit no change
3595, City of Toronto Health Unit no change
4610, Winnipeg no change
4615, Brandon no change
4620, North Eastman no change
4625, South Eastman no change
4630, Interlake no change
4640, Central no change
4645, Assiniboine no change
4660, Parkland no change
4670, Norman no change
4685, Burntwood/Churchill5, no change
4701, Sun Country no change
4702, Five Hills no change
4703, Cypress no change
4704, Regina Qu'Appelle no change
4705, Sunrise no change
4706, Saskatoon no change
4707, Heartland no change
4708, Kelsey Trail no change
4709, Prince Albert Parkland no change
4710, Prairie North no change
4714, Mamawetan/Keewatin/Athabasca5 no change
Alberta7, 8
4820 Chinook Regional Health Authority no change
4821 Palliser Health Region  no change
4822 Calgary Health Region 4822 Calgary Health Region7
4823 David Thompson Regional Health Authority  4823 David Thompson Regional Health Authority7
4824 East Central Health no change
4825 Capital Health no change
4826 Aspen Regional Health Authority no change
4827 Peace Country Health no change
4828 Northern Lights Health Region no change
British Columbia
5911, East Kootenay no change
5912, Kootenay-Boundary no change
5913, Okanagan no change
5914, Thompson/Cariboo no change
5921, Fraser East no change
5922, Fraser North no change
5923, Fraser South no change
5931, Richmond no change
5932, Vancouver no change
5933, North Shore/Coast Garibaldi no change
5941, South Vancouver Island no change
5942, Central Vancouver Island no change
5943, North Vancouver Island no change
5951, Northwest no change
5952, Northern Interior no change
5953, Northeast no change
6001, Yukon no change
6101, Northwest Territories no change
6201, Nunavut no change
… not applicable
1. In Newfoundland and Labrador, six community health regions were reduced to four Regional Integrated Health Authroities (RIHAs). Boundaries are unchanged for two RIHAs and the other four have been collapsed into two. Name and code changes in effect as of March 1st, 2005.
2. The six zones are aggregations of the nine District Health Authorities (DHA). Zones 1, 3 and 4 are each comprised of two DHAs. The remaining three zones change in name only with the following small exception. Mount Uniacke area, previously part of Zone 3 is cut-off by new DHA 4 boundary. Statistics for this area (population 1,114) will be included with DHA 9 (Halifax area). As a result, there is high comparability between Zone 6 and DHA 9 and between Zone 3 and DHA 4/5.
3. District health councils (DHC) were dissolved. 14 Local Health Integration Networks (LHINs) came into effect April 1st, 2005.
4. As of April 1, 2005 Muskoka-Parry Sound Health Unit dissolved. The Muskoka part of this region was combined with Simcoe County District increasing the population by 14%, and the Parry Sound part joined North Bay and District, increasing the population by 30%.
5. For most data sources (with the exception of Census and Demographic population estimates), health region level data are not available for some northern health regions in Manitoba and Saskatchewan which have small populations. To avoid suppression in these areas where small numbers or sample size impact on data quality, data have been grouped with neighbouring regions, as follows: Churchill Regional Health Authority, Manitoba (4690) is combined with Burntwood Regional Health Authority (4680) and referred to as "Burntwood/Churchill (4685)"; and, Athabasca Health Authority (4713) Saskatchewan is combined with Mamawetan Churchill River Regional Health Authority (4711) and Keewatin Yatthé Regional Health Authority (4712) and referred to as "Athabasca/Keewatin/Mamawetan (4714)"
6. In December 2003 Calgary Health Region gained a population of approximately 13,000 (or 1.2%) from David Thompson Regional Health Authority which lost 4.4% total population.
7. Indicates where boundaries have changed, affecting comparability with previous year's data.
8. Represents health region name change.
Source(s): Statistics Canada.
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