| ICPB | International Collection of Phytopathogenic Bacteria |
|---|---|
| ICPEMC | International Commission for Protection against Environmental Mutagens and Carcinogens |
| ICR | [distance between] iliac crests; Institute for Cancer Research; Institute for Cancer Research [mouse... |
| ICRC | infant care review committee; International Committee of the Red Cross |
| ICRE | International Commission on Radiological Education |