| 31.12.2001 | * DELTAcentre | 311 | Related units: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * Council for Disabled | 311 | Related units: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * National council for eldrely people | 311 | Related units: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * Cooperation body - volunteer affairs | 311 | Related units: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * The National Council for Nutrition and Physical Activity | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * the National Council on Tobacco and Health | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * Drug Directorate | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * Toxicology information central | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * Service for council secretariats and some health and social issues | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * National Council for Special Education of physicians and medical distribution (NR) | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 31.12.2001 | * Department for rare handicaps | 306 | Merged into: | Norwegian Directorate of Health (central unit) |
| 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: | * National Council for Special Education of physicians and medical distribution (NR) |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | * Department for rare handicaps |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | * Service for council secretariats and some health and social issues |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | * Toxicology information central |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | * The National Council for Nutrition and Physical Activity |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | * the National Council on Tobacco and Health |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | Norwegian Board of Health Supervision |
| 01.01.2002 | Norwegian Directorate of Health (central unit) | 106 | Merged bodies: | * Drug Directorate |
| 31.12.2003 | * HELTEF - The Foundation for Health Services Research | 311 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2004 | Norwegian Directorate of Health (central unit) | 211 | Related units: | Norwegian Research Centre for Health Services |
| 01.01.2004 | Norwegian Research Centre for Health Services | 111 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.04.2008 | Norwegian Directorate of Health (central unit) | 211 | Related units: | NAV- Directorate of Labour and Welfare |
| 01.04.2008 | NAV- Directorate of Labour and Welfare | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2009 | Norwegian Directorate of Health (central unit) | 211 | Related units: | Health Economics Administration (HELFO) Main Office |
| 01.01.2009 | Norwegian Directorate of Health (central unit) | 211 | Related units: | NAV- Directorate of Labour and Welfare |
| 01.01.2009 | Norwegian Directorate of Health (central unit) | 211 | Related units: | * NAV Benefits Department |
| 01.01.2009 | NAV- Directorate of Labour and Welfare | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2009 | Health Economics Administration (HELFO) Main Office | 111 | Related units: | Norwegian Directorate of Health (central unit) |
| 21.12.2011 | Norwegian Centre for Informatics in Health and Social Care | 303 | The unit was absorbed by: | Norwegian Directorate of Health (central unit) |
| 01.01.2012 | Norwegian Directorate of Health (central unit) | 203 | Incorporated bodies: | Norwegian Centre for Informatics in Health and Social Care |
| 01.01.2015 | Norwegian Institute of Public Health (NIPH) | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2015 | Norwegian Directorate of Health (central unit) | 211 | Related units: | Norwegian Institute of Public Health (NIPH) |
| 31.12.2015 | Norwegian Registration Authority for Health Personnel | 303 | The unit was absorbed by: | Norwegian Directorate of Health (central unit) |
| 31.12.2015 | Norwegian Research Centre for Health Services | 303 | The unit was absorbed by: | Norwegian Directorate of Health (central unit) |
| 01.01.2016 | Norwegian Directorate of Health (central unit) | 211 | Related units: | National Office for Health Service Appeals |
| 01.01.2016 | Norwegian Directorate of Health (central unit) | 203 | Incorporated bodies: | Norwegian Research Centre for Health Services |
| 01.01.2016 | Norwegian Directorate of Health (central unit) | 203 | Incorporated bodies: | Norwegian Registration Authority for Health Personnel |
| 01.01.2016 | Norwegian Directorate of Health (central unit) | 202 | Separated bodies from this unit: | Directorate of e-health |
| 01.01.2016 | Directorate of e-health | 102 | Secession from: | Norwegian Directorate of Health (central unit) |
| 01.06.2016 | * Norwegian Healthnet - Public Enterprise | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.06.2016 | Norwegian Directorate of Health (central unit) | 211 | Related units: | * Norwegian Healthnet - Public Enterprise |
| 31.12.2023 | Directorate of e-health | 303 | The unit was absorbed by: | Norwegian Directorate of Health (central unit) |
| 01.01.2024 | Norwegian Medical Products Agency (NOMA) | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2024 | Norwegian Directorate of Health (central unit) | 211 | Related units: | Norwegian Medical Products Agency (NOMA) |
| 01.01.2024 | Norwegian Directorate of Health (central unit) | 211 | Related units: | Norwegian Institute of Public Health (NIPH) |
| 01.01.2024 | Norwegian Institute of Public Health (NIPH) | 211 | Related units: | Norwegian Directorate of Health (central unit) |
| 01.01.2024 | Norwegian Directorate of Health (central unit) | 203 | Incorporated bodies: | Directorate of e-health |