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Table 2 Summary of changes to health region codes, names and boundaries, 2005 and 2007

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2005	2007
Newfoundland and Labrador
1011, Eastern Regional Integrated Health Authority	no change
1012, Central Regional Integrated Health Authority	no change
1013, Western Regional Integrated Health Authority	no change
1014, Labrador-Grenfell Regional Integrated Health Authority	no change
Prince Edward Island¹
...	1111, Prince Edward Island
1101, West Prince	…
1102, East Prince	…
1103, Queens	…
1104, Kings	…
…	1101, Kings County
…	1102, Queens County
…	1103, Prince County
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 (DHA) 1	no change
1212, District Health Authority (DHA) 2	no change
1213, District Health Authority (DHA) 3	no change
1214, District Health Authority (DHA) 4	no change
1215, District Health Authority (DHA) 5	no change
1216, District Health Authority (DHA) 6	no change
1217, District Health Authority (DHA) 7	no change
1218, District Health Authority (DHA) 8	no change
1219, District Health Authority (DHA) 9	no change
New Brunswick
1301, Region 1	no change
1302, Region 2	1302, Region 2³
1303, Region 3	1303, Region 3³
1304, Region 4	no change
1305, Region 5	no change
1306, Region 6	no change
1307, Region 7	no change
Quebec
2401, Région du Bas–Saint–Laurent	no change
2402, Région du Saguenay—Lac–Saint–Jean	no change
2403, 2403, Région de la Capitale–Nationale	no change
2404, Région de la Mauricie et Centre–du–Québec	no change
2405, Région de l'Estrie	no change
2406, Région de Montréal	no change
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
Ontario, Local Health Integration Networks (LHIN)
3501, Erie St. Clair	no change
3502, South West	no change
3503, Waterloo Wellington	no change
3504, Hamilton Niagara Haldimand Brant	no change
3505, Central West	no change
3506, Mississauga Halton	no change
3507, Toronto Central	no change
3508, Central	no change
3509, Central East	no change
3510, South East	no change
3511, Champlain	no change
3512, North Simcoe Muskoka	no change
3513, North East	no change
3514, North West	no change
Ontario, Health Units
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
3546, Niagara Regional Area Health Unit	no change
3547, North Bay Parry Sound District Health Unit	no change
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 Muskoka District Health Unit	no change
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
Manitoba
4610, Winnipeg Regional Health Authority	no change
4615, Brandon Regional Health Authority	no change
4620, North Eastman Regional Health Authority	no change
4625, South EastmanRegional Health Authority	no change
4630, Interlake Regional Health Authority	no change
4640, Central Regional Health Authority	no change
4645, Assiniboine Regional Health Authority	no change
4660, Parkland Regional Health Authority	no change
4670, Norman Regional Health Authority	no change
4685, Burntwood/Churchill Regional Health Authority⁴	no change
Saskatchewan
4701, Sun Country Regional Health Authority	no change
4702, Five Hills Regional Health Authority	no change
4703, Cypress Regional Health Authority	no change
4704, Regina Qu'Appelle Regional Health Authority	no change
4705, Sunrise Regional Health Authority	no change
4706, Saskatoon Regional Health Authority	no change
4707, Heartland Regional Health Authority	no change
4708, Kelsey Trail Regional Health Authority	no change
4709, Prince Albert Parkland Regional Health Authority	no change
4710, Prairie North Regional Health Authority	no change
4714, Mamawetan/Keewatin/Athabasca Regional Health Authority⁴	no change
Alberta⁵
4820, Chinook Regional Health Authority	4821, Chinook Regional Health Authority
4821, Palliser Health Region	4822, Palliser Health Region
4822, Calgary Health Region	4823, Calgary Health Region
4823, David Thompson Regional Health Authority	4824, David Thompson Regional Health Authority
4824, East Central Health Authority	4825, East Central Health
4825, Capital Health	4826, Capital Health
4826, Aspen Regional Health Authority	4827, Aspen Regional Health Authority
4827, Peace Country Health	4828 Peace Country Health
4828, Northern Lights Regional Health Authority	4829, Northern Lights Region Health Authority
British Columbia
591 Interior Health Authority
5911, East Kootenay	no change
5912, Kootenay-Boundary	no change
5913, Okanagan	no change
5914, Thompson/Cariboo	no change
592 Fraser Health Authority
5921, Fraser East	no change
5922, Fraser North	no change
5923, Fraser South	no change
593 Vancouver Coastal Health Authority
5931, Richmond	no change
5932, Vancouver	no change
5933, North Shore/Coast Garibaldi	no change
594 Vancouver Island Health Authority
5941, South Vancouver Island	no change
5942, Central Vancouver Island	no change
5943, North Vancouver Island	no change
595 Northern Health Authority
5951, North West	no change
5952, Northern Interior	no change
5953, Northeast	no change
Territories
6001, Yukon	no change
6101, Northwest Territories	no change
6201, Nunavut	no change
Notes:
… not applicable
1. In November 2005 Prince Edward Island officially disbanded the four health regions. The three existing counties (census divisions) provide an alternative set of boundaries to retain relevant subprovincial CCHS data, commencing June 2008.
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. Zone 1 = 1211 District Health Authority (DHA) 1, 1212 District Health Authority (DHA) 2 Zone 2 = 1213 District Health Authority (DHA) 3 Zone 3 = 1214 District Health Authority (DHA) 4, 1215 District Health Authority (DHA) 5 Zone 4 = 1216 District Health Authority (DHA) 6, 1217 District Health Authority (DHA) 7 Zone 5 = 1218 District Health Authority (DHA) 8 Zone 6 = 1219 District Health Authority (DHA) 9.
3. On February 14, 2006 Cambridge-Narrows Village (population 717) was reassigned from Region 2 to Region 3.
4. 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 Regional Health Authorities (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 "Mamawetan/Keewatin/Athabasca Regional Health Authorities (4714)".
5. Alberta health region codes have been updated to align with the provincial codes. Alberta Health and Wellness uses codes R1-R9 to identify the Health Regions.
Source (s): Statistics Canada