| Abbreviation | Definition |
|---|---|
| IC | Ichthyosis Congenita |
| IC | Idiopathic Constipation |
| IC | Immune Complex |
| IC | Incompetent Cervix |
| IC | Inhaled Corticosteroid |
| IC | Inhibition Concentration |
| IC | Inspiratory Capacity |
| IC | Intensive Care |
| IC | Interstitial Cystitis |
| IC | Intra Cellular |
| IC | Intra-Cerebral |
| ICA | Internal Carotid Artery |
| ICAM | Inter Cellular Adhesion Molecule |
| ICC | Intensive coronary care |
| ICCU | Intensive coronary care unit |
| ICD | Implantable Cardiac Defibrillator |
| ICD | Implantable Cardioverter Defibrillator |
| ICD | implantable cardioverterdefibrillator |
| ICD | implantable cardioverter–defibrillator |
| ICD | Implanted cardiac defibrillator |