| NOD | Naito-Oyanagi disease; National Organization on Disability; nodular melanoma; nonobese diabetic; not... |
|---|---|
| NSCD | nonservice connected disability |
| OASDHI | Old Age, Survivors, Disability and Health Insurance |
| OASDI | Old Age Survivors and Disability Insurance |
| PDI | pain disability index; periodontal disease index; plan-do integration; psychomotor development index... |
| ICRU | International Commission of Radiation Units and Measurements |
|---|---|
| ICRP | International Commission of Radiological Protection |
| ICSH | International Committee for Standardisation in Haematology |
| ICRC | International Committee of the Red Cross |
| I CH | International Conference on Harmonization |