| Abbreviation | Definition |
|---|---|
| ILAPT | Illinois Association for Play Therapy |
| IMBT | Integrative Mind Body Therapy |
| IMNT | Intensity Modulated Neutron Therapy |
| IMOT | Intensive Model of Therapy |
| IMPT | Intensity Modulated Particle Therapy |
| IMPT | Intensity modulated proton therapy |
| IMRT | Imrtintensity Modulated Radiation Therapy |
| IMRT | Intensity Modulated Radio Therapy |
| IMRT | Intensity Modulated Radition Therapy |
| IMRT | Intensity Modulation Radiation Therapy |
| INPT | Induced Native Phage Therapy |
| INRT | Involved Nodal Radiation Therapy |
| INRT | Involved Node Radiation Therapy |
| IPT | Isoniazid Preventive Therapy |
| IPTA | Idaho Physical Therapy Association |
| IPTN | Irish Poetry Therapy Network |
| IRRT | Imagery Rescripting and Reprocessing Therapy |
| IRTP | Interservice Respiratory Therapy Program |
| ISBT | International School Of Bowen Therapy |
| ISCT | International Society for Cellular Therapy |