| Abbreviation | Definition |
|---|---|
| ISHP | International Society of Hospitality Purchasers |
| ISMP | Indigenous Systems of Medicine Practitioners |
| ISO | ISOpropyl alcohol. |
| ISS | Inpatient Services Specialist |
| ISSP | Indian Society For Support Of Pain |
| ISTC | Independent Sector Treatment Centre |
| ISTH | Irrua Specialist Teaching Hospital |
| ITEC | International Therapy Examination Council |
| ITSP | Individual Treatment and Service Plan |
| ITT | Intention To Treat |
| IUAL | Internal Ultrasound Assisted Lipoplasty |
| IUC | Indwelling Urethral Catheter |
| IUDE | In Utero Drug Exposure |
| IUI | Intra-Uterine Injection |
| IUPC | Intra-Uterine Pressure Catheter |
| IVAD | Implanted Vascular Access Device |
| IVAD | Intracranial Vertebral Artery Dissection |
| IVAH | Indian Valley Animal Hospital |
| IVD | In-Vitro Diagnostics |
| IVF | Intra-Venous Fluid |