| Abbreviation | Definition |
|---|---|
| ICHS | International College of Health Sciences |
| ICHS | International Community Health Services |
| ICRH | Institute for Community and Rural Health |
| ICSC | International Chemical Safety Cards |
| ICSCs | International Chemical Safety Cards |
| ICU | Intense Care Unit |
| IDAP | Intensive Domestic Abuse Program |
| IDH | Institute of Digital Healthcare |
| IDHS | Indonesia Demographic and Health Survey |
| IDHS | Integrated Demographic and Health Surveys |
| IDLH | Immediate Danger to Life and Health |
| IDLH | Immediate Dangerous to Life and Health |
| IDLH | Immediately Dangerous to Life and Health |
| IDLH | International Database for Lung Health |
| IDP | Internally displaced people |
| IDPH | Illinois Department of Public Health |
| IEH | Institute for Ecological Health |
| IEH | Institutional Environmental Health |
| IEHC | Institute of Epidemiology and Health Care |
| IEHP | Inland Empire Health Plan |