HL7® FHIR® New Zealand Base Implementation Guide
3.1.0 - Draft

HL7® FHIR® New Zealand Base Implementation Guide, published by HL7 New Zealand. This guide is not an authorized publication; it is the continuous build for version 3.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7NZ/nzbase/ and changes regularly. See the Directory of published versions

CodeSystem: NZ Iwi

Official URL: https://standards.digital.health.nz/ns/iwi-code Version: 2.1.0
Active as of 2026-05-29 Computable Name: Iwi_code

NZ iwi and iwi-related groups statistical classification

This Code system is referenced in the content logical definition of the following value sets:

version: 12; Last updated: 2026-05-28 21:13:01+1200

Tag:

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescription
Parent parent http://hl7.org/fhir/concept-properties#parent code The concept identified in this property is a parent of the concept on which it is used

Concepts

This case-sensitive code system https://standards.digital.health.nz/ns/iwi-code defines the following codes:

CodeDisplayParentEnglish (New Zeland) (English (New Zeland), en)
NZIWI NZ IWI
01 Te Tai Tokerau/Tāmaki-makaurau (Northland/Auckland) Region Iwi NZIWI
02 Hauraki (Coromandel) Region Iwi NZIWI
03 Waikato/Te Rohe Pōtae (Waikato/King Country) Region Iwi NZIWI
04 Te Arawa/Taupō (Rotorua/Taupō) Region Iwi NZIWI
05 Tauranga Moana/Mātaatua (Bay of Plenty) Region Iwi NZIWI
06 Te Tai Rāwhiti (East Coast) Region Iwi NZIWI
0808 Taranaki 08 Ngati Hopotu
07 Te Matau-a-Māui/Wairarapa (Hawke's Bay/Wairarapa) Region iwi NZIWI
0809 Tangāhoe 08 Ngati Tupito
08 Taranaki Region Iwi NZIWI
09 Whanganui/Rangitīkei (Wanganui/Rangitīkei) Region Iwi NZIWI
2306 Te Tai Rāwhiti Region, Iwi not named 23 East Coast
2305 Tauranga Moana/Mātaatua Region, Iwi not named 23 Ngati Pongo
2304 Te Arawa/Taupō Region, Iwi not named 23 Te Onga
2303 Waikato/Te Rohe Pōtae Region, Iwi not named 23 Ngati Upokura
2302 Hauraki Region, Iwi not named 23 Ngaiwi
2301 Te Tai Tokerau/Tāmaki-makaurau Region, Iwi not named 23 Mata Rahurahu
0121 Ngāti Kahu ki Whangaroa 01 O Whangaroa
0806 Ngāti Ruanui 08 Nga Te Ruanui
0807 Ngāti Tama (Taranaki) 08 Ngati Tama Taranaki
0804 Ngā Rauru 08 Ngaraoro
8888 Response Outside Scope 88 All
0805 Ngāruahine 08 Ngāruahine
0802 Ngāti Maru (Taranaki) 08 Ngati Maru (Taranaki)
0803 Ngāti Mutunga (Taranaki) 08 Ngatai Mutunga Taranaki
2309 Whanganui/Rangitīkei Region, Iwi not named 23 Wanganui Iwi not further defined
2308 Taranaki Region, Iwi not named 23 New Plymouth
0801 Te Atiawa (Taranaki) 08 Ati Awa New Plymouth
10 Manawatū/Horowhenua/Te Whanganui-a-Tara (Manawatū/Horowhenua/Wellington) Region Iwi NZIWI
2307 Te Matau-a-Māui/Wairarapa Region, Iwi not named 23 Tamakinui A Rua
11 Te Waipounamu (South Island) Region Iwi NZIWI
12 Rēkohu/Wharekauri (Chatham Islands) Region Imi/Iwi NZIWI
1110 Ngāti Tama ki Te Tauihu 11 Ngāti Tama ki Te Tauihu
1107 Rangitāne (Te Waipounamu/South Island) 11 Rangitāne Blenheim
0810 Pakakohi 08 Ngati Tanewai
1104 Kāti Māmoe 11 Mamoe
1103 Ngāti Kuia 11 Kuia
1102 Ngāti Koata 11 Ngāti Koata Te Waipounamu (South Island) Region
2312 Rēkohu/Wharekauri Region, Imi/Iwi not named 23 Chathams
1101 Te Atiawa (Te Waipounamu/South Island) 11 Ati Awa Rai Valley
2311 Te Waipounamu Region, Iwi not named 23 Te Waipounamu
2310 Manawatū/Horowhenua/Te Whanganui-a-Tara Region, Iwi not named 23 Ngati Hamua Wellington
1109 Ngāi Tahu / Kāi Tahu 11 Ngai Rekehu
20 Confederations and Waka, iwi not named NZIWI
1108 Ngāti Rārua 11 Ngati Rarua
21 Iwi named, region not known NZIWI
22 Hapū affiliated to more than one iwi NZIWI
23 Region known, Iwi not named NZIWI
0709 Ngāti Kahungunu ki Tamakinui a Rua 07 Ngati Pakapaka Wairarapa
1113 Ngāti Apa ki Te Rā Tō 11 Ngāti Apa ki Te Rā Tō
1112 Waitaha (Te Waipounamu/South Island) 11 Waitaha Te Waipounamu
2201 Hapū affiliated to more than one iwi 22 Tannaki
1111 Ngāti Toarangatira (Te Waipounamu/South Island) 11 Ngati Toa Te Wai Pounamu
0707 Ngāti Kahungunu ki Te Whanganui-a-Orotu 07 Mawete
0708 Ngāti Kahungunu ki Tamatea 07 Pukututu
9999 Not Stated 99 Not specified
0706 Rangitāne (Te Matau-a-Māui/Hawke's Bay/Wairarapa) 07 Ngati Tumapuhia
0703 Ngāti Kahungunu ki Heretaunga 07 Kahungungu Puketapu
0704 Ngāti Kahungunu ki Wairarapa 07 Ngati Hamua Wairarapa
0701 Rongomaiwahine (Te Māhia) 07 Ngati Rongomaiwahine
0702 Ngāti Kahungunu ki Te Wairoa 07 Kahungungu Mohaka
0710 Ngāti Pāhauwera 07 Ngati Pahauewera
1008 Ngāti Kauwhata 10 Ngati Kauwhata
0711 Ngāti Rākaipaaka 07 Rehu
1007 Ngāti Tama ki Te Upoko o Te Ika (Te Whanganui-a-Tara/Wellington) 10 Ngati Tama Ki Te Upoko o Te Ika (Te Whanganui-a-Tara/Wellington)
1006 Te Atiawa ki Whakarongotai 10 Ati Awa Paekakariki
1005 Ngāti Toarangatira (Te Whanganui-a-Tara/Wellington) 10 Ngati Te Maunu Manawatu
1004 Ngāti Raukawa (Horowhenua/Manawatū) 10 Raukana Horowhenua
1003 Rangitāne (Manawatū) 10 Ngati Tohinga
1002 Muaūpoko 10 Muaopoka
1001 Te Atiawa (Te Whanganui-a-Tara/Wellington) 10 Atiawa Porirua
0716 Te Hika o Pāpāuma 07 Hiko O Papa Uma
0717 Ngāti Hinemanu (Heretaunga) 07 Ngati Hinemanu Heretaunga
0714 Rangitāne o Tamaki nui ā Rua 07 Rangitāne o Tamaki nui ā Rua
0715 Ngāti Ruapani ki Waikaremoana 07 Ngāti Ruapani ki Waikaremoana Te Matau-a-Māui/Wairarapa (Hawke's Bay/Wairarapa) Region
0712 Ngāti Hineuru 07 Ngati Hiniuru
0713 Maungaharuru Tangitū 07 Maungaharuru Tangitu
1009 Ngāti Tukorehe 10 Ngati Tukorehe Wellington
44 Don't Know NZIWI
2111 Ngāi Tai, region not known 21 Ngai Tai region not known
2110 Ngāti Apa, region not known 21 Ngatiapa
2108 Ngāti Toa, region not known 21 Ngati Maunu
0601 Ngāti Porou 06 Ngati Konohi
2107 Ngāti Tama, region not known 21 Ngati Tama
2106 Ngāti Raukawa, region not known 21 Ngati Ruakawa
2105 Rangitāne, region not known 21 Ngati Rangitane
2104 Ngāti Mutunga, region not known 21 Ngati Mutanga
2103 Ngāti Maru, region not known 21 Tamakehu
2102 Ngāti Haua, region not known 21 Haaua
2101 Te Atiawa, region not known 21 Kai Tangata
0604 Ngāi Tāmanuhiri 06 Ngati Tahupo
0605 Te Aitanga ā Hauiti 06 Te Aitanga a Hauiti
0602 Te Aitanga-a-Māhaki 06 Tangarite
0603 Rongowhakaata 06 Kahutia
2109 Waitaha, region not known 21 Waitaha
55 Refused To Answer NZIWI
2001 Tainui, iwi not named 20 Ngati Tainui
2114 Ngāti Hinemanu, region not known 21 Ngāti Hinemanu, region not known
2113 Ngāti Tūwharetoa, region not known 21 Ngati Tuwharetoa region not known
2112 Ngāti Kahungunu, region not known 21 Kahununu
2012 Muriwhenua, iwi not named 20 Muriwhenua
2011 Kurahaupō, iwi not named 20 Kurahaupō
2010 Tokomaru, iwi not named 20 Tokomaru
0501 Ngāti Pūkenga 05 Ngāti Pūkenga
2009 Nukutere, iwi not named 20 Nukutere
0502 Ngāi Te Rangi 05 Ngaiterangi Tauranga
2008 Ngātokimatawhaorua, iwi not named 20 Ngatokimatawhaorua
2007 Māmari, iwi not named 20 Mamari
2006 Mahuru, iwi not named 20 Mahuru
2005 Mātaatua, iwi not named 20 Mātaatua
2004 Aotea, iwi not named 20 Aotea
2003 Tākitimu, iwi not named 20 Tākitimu
2002 Te Arawa, iwi not named 20 Ngāti Te Arawa
0509 Te Whānau-ā-Apanui 05 Harawaka
0507 Tūhoe 05 Tamakaimoana
0508 Whakatōhea 05 Patumoana
0505 Ngāti Manawa 05 Ngati Hui
0506 Ngāi Tai (Tauranga Moana/Mātaatua) 05 Ngāi Tai Bay of Plenty
0503 Ngāti Ranginui 05 Ahi
0504 Ngāti Awa 05 Pukeko Rangataua
77 Response Unidentifiable NZIWI
0512 Te Upokorehe 05 Upokorehe
0513 Ngāti Tūwharetoa ki Kawerau 05 Ngati Tuwharetoa Rotorua
0510 Ngāti Whare 05 Ngati Koiwi Ngati Whare
2018 Mōkai Pātea, iwi not named 20 Mōkai Pātea
0511 Ngā Pōtiki ā Tamapahore 05 Ngā Pōtiki ā Tamapahore
2017 Horouta, iwi not named 20 Horouta
2016 Tauranga Moana, iwi not named 20 Tauranga Moana
2015 Te Tauihu o Te Waka a Māui, iwi not named 20 Te Tauihu O Te Waka A Maui
2014 Tūranganui a Kiwa, iwi not named 20 Te Runanga a Turanganui a Kiwa
2013 Hauraki / Pare Hauraki, iwi not named 20 Hauraki
88 Response Outside Scope NZIWI
0402 Ngāti Rangiteaorere (Te Arawa) 04 Ngati Rangitiaorere
0403 Ngāti Rangitihi (Te Arawa) 04 Ngati Tionga
0401 Ngāti Pikiao (Te Arawa) 04 Pikio
4444 Don't Know 44 Do Not Know
0408 Uenuku-Kōpako (Te Arawa) 04 Uenuku-Kōpako (Te Arawa) Te Arawa/Taupō (Rotorua/Taupō) Region
0409 Waitaha (Te Arawa) 04 Ngati Waitaha Arawa
0406 Ngāti Tarāwhai (Te Arawa) 04 Ngati Rangitakaroro
0407 Tūhourangi (Te Arawa) 04 Tūhourangi
0404 Ngāti Rangiwewehi (Te Arawa) 04 Ngati Te Wai
0405 Tapuika (Te Arawa) 04 Moko
99 Not Stated NZIWI
0413 Ngāti Mākino 04 Ngāti Mākino
0414 Ngāti Kearoa / Ngāti Tuarā 04 Ngāti Kearoa / Ngāti Tuarā
0411 Ngāti Tūwharetoa (ki Taupō) 04 Ngati Rungarangi
0412 Ngāti Tahu-Ngāti Whaoa (Te Arawa) 04 Whaoa Tahu
0410 Ngāti Whakaue (Te Arawa) 04 Ngati Rangiiwaho
0415 Ngāti Rongomai (Te Arawa) 04 Ngāti Rongomai (Te Arawa) Te Arawa/Taupō (Rotorua/Taupō) Region
0303 Raukawa (Waikato) 03 Ngati Tihinga
0304 Waikato 03 Ngāti Māhanga Tainui
0301 Ngāti Haua (Waikato) 03 Ngāti Haua (Waikato)
0302 Ngāti Maniapoto 03 Manipoto
5555 Refused To Answer 55 Refused to answer
0309 Ngāti Korokī Kahukura 03 Te Oro Kahukura
0307 Rereahu 03 Ngati Rereatu
0308 Ngāti Tiipa 03 Ngati Tepa
0305 Ngāti Te Ata 03 Ngatiata
0306 Ngāti Hīkairo 03 Ngāti Hīkairo Tainui
0312 Tainui Awhiro 03 Tainui Awhiro Waikato/Te Rohe Pōtae (Waikato/King Country) Region
0313 Ngāti Hinerangi 03 Ngati Hinerangi Waikato
0310 Ngāti Tamaoho 03 Ngāti Tamaoho Waikato/Te Rohe Pōtae (Waikato/King Country) Region
0311 Te Ākitai-Waiohua 03 Te Akitai-Waiohua
0204 Ngāti Paoa 02 Ngati Hakaipuku
0205 Patukirikiri 02 Ngati Patukirikiri
0202 Ngāti Hei 02 Ngati Hei
0203 Ngāti Maru (Hauraki) 02 Ngati Hauauru
0201 Ngāti Hako 02 Koi Tokanui
0208 Ngāti Rāhiri Tumutumu 02 Tumutumu
0206 Ngāti Porou ki Harataunga ki Mataora 02 Ngati Porou ki Harataunga ki Mataora
0207 Ngāti Pūkenga ki Waiau 02 Ngāti Pūkenga Coromandel
0213 Ngāti Huarere 02 Ngāti Huarere Hauraki (Coromandel) Region
0211 Ngāti Tara Tokanui 02 Ngāti Tara Tokanui
0212 Ngāti Whanaunga 02 Mateao
0210 Ngāti Tamaterā 02 Taharua
0909 Uenuku (Ruapehu, Waimarino) 09 Ngati Uenuku Whanganui
0907 Ngāti Tamakōpiri (Rangitīkei) 09 Ngāti Tamakōpiri (Rangitīkei) Whanganui/Rangitīkei (Wanganui/Rangitīkei) Region
0908 Ngāti Rangi (Ruapehu, Whanganui) 09 Ngati Rangi (Ruapehu/Ohakune)
0105 Ngāpuhi ki Whaingaroa-Ngāti Kahu ki Whaingaroa 01 Ngati Kahu Whaingaroa
0106 Te Rarawa 01 Teuriotai
0103 Ngāti Kurī 01 Ngati Kuri North Auckland
0104 Ngāpuhi 01 Ngapuhi Whangarei
0101 Te Aupōuri 01 Te Aou Pouri
0102 Ngāti Kahu 01 Te Uri O Ranui
0905 Ngāti Whitikaupeka (Rangitīkei) 09 Ngāti Whitikaupeka (Rangitīkei)
0906 Ngāi Te Ohuake (Rangitīkei) 09 Ngāi Te Ohuake (Rangitīkei) Whanganui/Rangitīkei (Wanganui/Rangitīkei) Region
7777 Response Unidentifiable 77 Mopokako
0903 Ngāti Haua (Taumarunui) 09 Ngati Haua Taumarunui
0904 Ngāti Hauiti (Rangitīkei) 09 Ngati Hauiti
0109 Ngāti Whātua (not Ōrākei or Kaipara) 01 Te Uri O Terangi
0901 Ngā Wairiki Ngāti Apa 09 Hikapirau
0902 Te Ati Haunui-a-Pāpārangi 09 Tuera Parikino
0107 Ngāi Takoto 01 Ngaitako
0108 Ngāti Wai 01 Te Ngare Raumate
0120 Ngāti Torehina ki Mata-ure ō Hau 01 Ngati Torehina Kerekeri
0116 Ngāti Hine (Te Tai Tokerau) 01 Hine Kapotai
0117 Te Paatu 01 Te Paatuteretere
0114 Ngāti Whātua o Ōrākei 01 Ngāti Whātua o Ōrākei Te Tai Tokerau/Tāmaki-makaurau (Northland/Auckland) Region
0115 Ngāi Tai ki Tāmaki 01 Ngai Tai Hauraki
0112 Te Roroa 01 Te Raroa
1202 Ngāti Mutunga (Wharekauri/Chatham Islands) 12 Ngāti Mutunga Chatham Islands
0113 Ngāti Whātua o Kaipara 01 Ngāti Whātua o Kaipara
1201 Moriori 12 Moriori Rēkohu
0110 Te Kawerau ā Maki 01 Te Kawerau ā Maki Te Tai Tokerau/Tāmaki-makaurau (Northland/Auckland) Region
0111 Te Uri-o-Hau 01 Uriopau
0912 Ngāti Hinemanu (Rangitīkei) 09 Ngāti Hinemanu Whanganui
0118 Ngāti Manuhiri 01 Ngati Manuhiri
0910 Tamahaki (Ruapehu, Waimarino) 09 Tamahaki (Ruapehu, Waimarino) Whanganui/Rangitīkei (Wanganui/Rangitīkei) Region
0119 Ngāti Rehua 01 Wai Rehua
0911 Tamakana (Ruapehu, Waimarino) 09 Tamakana (Ruapehu Waimarino)