| Abbreviation | Definition |
|---|---|
| I&DeA | Improvement and Development Agency |
| I&E | income and expenditure |
| IAPT | Improving Access to Psychological Therapies |
| IATP | Integrated Academic Training Pathways |
| IB | immunoblot |
| IB | immunoblotting |
| IB | implantation bleeding |
| IB | Incapacity Benefit |
| IB | inclusion body |
| IB | insulin binding |
| IB | interstitial brachytherapy |
| IBD | interest-bearing debt (!) |
| IBD | irritable bowel disease |
| IBD | ischaemic brain disease |
| IBM | ideal body mass. See Body mass index |
| IBMS | Institute of Biomedical Science |
| IBS-D | Irritable bowel syndrome with diarrhoea |
| IC | ichthyosis |
| IC | immune competent |
| IC | immunochromatography |