| IHS | 1) International Headache Society 2) Intelligent Hospital System |
|---|---|
| ILO | International Labo(u)r Organization; 국제노동기구 |
| INR | International Normalized Ratio = RISI &... |
| IRC | International Red Cross |
| ISI | International Sensitivity Index of reagent/instrument combination |
| ISO | International Standard Organisation |
|---|---|
| ISAAC | International Study of Asthma and Allergies In Childhood |
| ISIS-2 | International Study of Infarct Survival |
| IUATLD | International Union Against Tuberculosis and Lung Disease |
| IUPAC | International Union of Pure and Applied Chemistry |