| Abbreviation | Definition |
|---|---|
| ICD-9-CM | International Classification of Diseases, Ninth Revision, Clinical Modification |
| ICDB(CDRH) | Infection Control Devices Branch (CDRH) |
| ICDB(CDRH) | Interventional Cardiology Devices Branch (CDRH) |
| ICDR | Interagency Committee on Disability Research |
| ICDRA | International Conference of Drug Regulatory Authorities |
| ICE | Immigration and Customs Enforcement (Department of Homeland Security) |
| ICF | Informed Consent Form |
| ICH | International Conference on Harmonization (of Technical Requirements for Registration of Pharmaceuticals for Human Use) |
| ICIB(CDRH) | Intraocular and Corneal Implants Branch (CDRH) |
| ICL | idiopathic CD4+ T-lymphocytopenia |
| ICLAS | International Council for Laboratory Animal Science |
| ICMJE | International Committee of Medical Journal Editors |
| ICPEMC | International Commission for Protection Against Environmental Mutagens and Carcinogens |
| ICRU | International Commission on Radiation Units and Measurements |
| ICSR | Individual Case Safety Report |
| ICTAP | Interagency Career Transition Assistance Plan |
| ICU | Intensive Care Unit |
| IDBD | Infectious Disease Biomarker Database |
| IDBR | Infectious Disease Board Review |
| IDC | Information and Data Committee |