| Abbreviation | Definition |
|---|---|
| CIC | Circulating Immune Complex |
| CICU | Cardiac Intensive Care Unit |
| CID | Communication Interaction Disorder |
| CID | Cytomegalic Inclusion Diesease |
| CIDP | Chronic Inflammatory Demyelinating Polyradiculoneuropathy |
| CIDP | Chronic Inflammatory Demylinating Polyneuropathy |
| CIFC | Cellular Intrinsic Fiber Cementum |
| CILP | Cartilage Intermediate Layer Protein |
| CIM | Chronic Inflammatory Myopathy |
| CIME | Computerized Intelligent Micro Environments |
| CIMP | Commission Internationale Médico Physiologique |
| CIN | Carcinoma Intraepithelial Neoplasia |
| CIN | Cervical Interepithelial Neoplasm |
| CIN | Cervical Intra-epithelial Neoplasia |
| CIND | Chronic Immunological And Neurological Diseases |
| CIO | Corticosteroid-Induced Osteoporosis |
| CIP | Cognitive Inventory Profile |
| CIPA | Congenital Insensitivity to Pain with Anhidrosis |
| CIRC | Circulation |
| CIRC | Circumference |