| IAMM | International Association of Medical Museums |
|---|---|
| IAMS | International Association of Microbiological Societies |
| IAO | immediately after onset; intermittent aortic occlusion; International Association of Orthodontists |
| IAOM | International Association of Oral Myology |
| IAPB | International Association for Prevention of Blindness |
| ICD | International Classification of Dis eases |
|---|---|
| ICD 10 | International Classification of Disease |
| ICD-9 | International Classification of Disease 9 |
| ICD-O | International Classification of Disease for Oncology |
| ICD-9 | International Classification of Disease, 9th Revision |