| Abbreviation |
Term(s) |
| I |
Iodine |
| ICD-O-1 |
International Classification of Diseases for Oncology, 1st Ed., 1976 |
| ICD-O-2 |
International Classification of Disease for Oncology, 2nd Ed., 1992 |
| ICD-O-3 |
International Classification of Disease for Oncology, 3rd Ed., 2000 |
| ICM |
intercostal margin |
| ICS |
Intercostal space |
| ICU |
Intensive care unit |
| IG |
Immunoglobulin |
| IHC |
Immunohistochemical |
| IM |
Intramuscular |
| IMA |
Internal mammary artery |
| IMP |
Impression |
| INCL |
Includes, including |
| INF |
Inferior |
| INF |
Infarction |
| INF |
Infusion |
| INFILT |
Infiltrating |
| INJ |
Injection |
| INT MED |
Internal medicine |
| IP |
Inpatient |
| IPI |
International Prognostic Index (for lymphomas) |
| IPPB |
Intermittent positive pressure breathing |
| IT |
Intrathecal |
| ITC |
Isolated tumor cells |
| IV |
Intravenous |
| IVC |
Interior |
| IVP |
Intravenous pyelogram |
