| ALO | average lymphocyte output; axiolinguo-occlusal |
|---|---|
| ALOS | average length of stay |
| AMP | accelerated mental processes; acid mucopolysaccharide; adenosine monophosphate; amphetamine; ampicil... |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
| APN | acute pyelonephritis; advanced practice nurse; average peak noise |