| Abbreviation | Definition |
|---|---|
| CI | cortical inhibition |
| CI | cranial irradiation |
| CI | creatinine index |
| CI | crush injury |
| CI | crystalline insulin |
| CI | cytoplasmic inclusion |
| CI | cytotoxicity index |
| CIA | carcinoma in adenoma |
| CIA | CCNU, ifosfamide, adriamycin |
| CIA | chemotherapy-induced alopecia |
| CIA | chemotherapy-induced anaemia |
| CIA | Chief Internal Auditor |
| CIA | Chlamydia-induced arthritis |
| CIA | colony-inhibiting activity |
| CIA | common iliac artery |
| CIA | congenital intestinal aganglionosis |
| CIAMS | Commissoners Investment and Asset Management Strategy |
| CIG | Clinical Interface Group |
| CIG | cold insoluble globulin |
| CIG | cytoplasmic immunoglobulin |