| Abbreviation | Definition |
|---|---|
| IMIS | International Medical Information System |
| IMS | If Modified Since |
| IMT | Implantable Miniature Telescope |
| IMWB | Institute for Mental Well Being |
| IND | Incision aNd Drainage |
| INHS | Inland Northwest Health Services |
| INRI | Initiate Nail Removal Immediately |
| INS | Interesting Non-Specific |
| INSIGHT | INtervention aS a Goal in Hypertension Treatment |
| INT | Intermittent Needle Therapy |
| INTRAM | Intramuscular |
| IOC | VA Independent Outpatient Clinic |
| IODS | Intra-Oral Delivery System |
| IOH | Incorporated Orthopaedic Hospital |
| IOL | Induction Of Labor |
| IOP | Intensive Outpatient Program |
| IP | In Patient |
| IP | Independent Practice |
| IP | Intense Pain |
| IPA | Independent Physicians Association |