| RD | radial deviation; radiology department; rate difference; Raynaud disease; reaction of degeneration; ... |
|---|---|
| CHD | Chediak-Higashi disease; childhood disease; chronic hemodialysis; congenital or congestive heart dis... |
| CRD | carbohydrate-recognition domain; chronic renal disease; chronic respiratory disease; child restraint... |
| ad | add [Lat. adde] let there be added [up to a specified amount] [Lat. addetur]; axiodistal; right ear ... |
| NES | not elsewhere specified |