| Abbreviation | Definition |
|---|---|
| ICL | Innovative Computing Laboratory |
| ICLAS | International Council for Laboratory |
| ICLAS | International Council for Laboratory Animals |
| ICLL | Intelligent Coordination and Logistics Laboratory |
| ICLN | Integrated Consortium of Laboratory Networks |
| ICM | Inner Cell Mass |
| ICPO | Institute of Cytology and Preventive Oncology |
| ICSH | International Council for Standardization in Haematology |
| ICSL | Image Computing Systems Laboratory |
| ICSL | Integrated Circuits and Systems Laboratory |
| ICSL | Internet Commerce Security Laboratory |
| ICSP | International Committee on Systematics of Prokaryotes |
| ICSR | Individual Case Safety Report |
| ICSRM | Individual Case Safety Reports Message |
| ICSS | International Carotid Stenting Study |
| ID | Inhibitor of Differentiation |
| IDAL | Integrated Defense Avionics Laboratory |
| IDAL | Intelligent Data Analysis Laboratory |
| IDBR | Instrument Development for Biological Research |
| IDC | Islamabad Diagnostic Center |