| 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... |
| PPD | packs per day; paraphenylenediamine; percussion and postural drainage; permanent partial disability;... |