| Abbreviation | Definition |
|---|---|
| IDDM | Insulin Dependent Diabetes Mellitus |
| IDE | investigational device exemption (CDRH) |
| IDE | Investigational Device Exemption number |
| IDE(CDRH) | Investigational Device Exemptions Sections (CDRH) |
| IDF | Immune Deficiency Foundation |
| IDHL | Inherently Dangerous to Human Life |
| IDIQ | indefinite-delivery, indefinite-quantity [contracts] |
| IDL | International Date Line |
| IDM | Informational Disclosure Manual |
| IDR | Idiosyncratic Drug Reaction |
| IEC | Independent Ethics Committee |
| IEE | Intervention Effect Estimate |
| IFA | indirect fluorescent antibody |
| IFA | Investigational Food Additive |
| IFA | investigational food additive (file) |
| IFAD | International Food Additives Database |
| IFE | Import For Export |
| IFIC | International Food Information Council |
| IFIP | International Federation For Information Processing |
| IFMFS(CFSAN) | Infant Formula and Medical Foods Staff (CFSAN) |