| 23.11.1983 | Norwegian Board of Health Supervision | 222 | | Ministry of Health and Social Affairs |
| 23.11.1983 | Ministry of Health and Social Affairs | 211 | Related units: | Norwegian Board of Health Supervision |
| 29.01.1988 | Norwegian Board of Health Supervision | 211 | Related units: | * Norwegian Food Control Authority |
| 29.01.1988 | * Norwegian Food Control Authority | 111 | Related units: | Norwegian Board of Health Supervision |
| 31.12.2000 | * Norwegian pharmaceutical control | 311 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2001 | Norwegian Board of Health Supervision | 211 | Related units: | National Insurance Institution |
| 01.01.2001 | Norwegian Board of Health Supervision | 211 | Related units: | * Norwegian pharmaceutical control |
| 01.01.2001 | Norwegian Board of Health Supervision | 211 | Related units: | Norwegian Medical Products Agency (NOMA) |
| 01.01.2001 | National Insurance Institution | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2001 | Norwegian Medical Products Agency (NOMA) | 111 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2002 | Norwegian Board of Health Supervision | 211 | Related units: | Norwegian Institute of Public Health (NIPH) |
| 01.01.2002 | Norwegian Board of Health Supervision | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | Norwegian Board of Health Supervision |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Sør-Trøndelag |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Telemark |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Troms |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Vest-Agder |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Vestfold |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Østfold |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Sogn og Fjordane |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Aust-Agder |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Buskerud |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Finnmark |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Hedmark |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Hordaland |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Møre og Romsdal |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Nordland |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Nord-Trøndelag |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Oppland |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Oslo og Akershus |
| 01.01.2012 | Norwegian Board of Health Supervision | 211 | Related units: | County Governor of Rogaland |
| 01.01.2012 | County Governor | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Aust-Agder | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Buskerud | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Finnmark | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Hedmark | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Hordaland | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Møre og Romsdal | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Nordland | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Nord-Trøndelag | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Oppland | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Oslo og Akershus | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Rogaland | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Sogn og Fjordane | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Sør-Trøndelag | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Telemark | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Troms | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Vest-Agder | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Vestfold | 211 | Related units: | Norwegian Board of Health Supervision |
| 01.01.2012 | County Governor of Østfold | 211 | Related units: | Norwegian Board of Health Supervision |