| ASAL | arginosuccinic acid lyase |
|---|---|
| ASAP | American Society for Adolescent Psychology; as soon as possible |
| ASAS | argininosuccinate synthetase |
| ASAT | aspartate aminotransferase |
| ASB | American Society of Bacteriologists; anencephaly-spina bifida [syndrome]; anesthesia standby; Anxiety Scale for the Blind; asymptomatic bacteriuria |
| ASBS | American Society for Bariatric Surgery |
| ASBV | avocado sunblotch viroid |
| ASC | acetylsulfanilyl chloride; altered state of consciousness; ambulatory surgical center; American Society of Cytology; antigen-sensitive cell; ascorbate, ascorbic acid; asthma symptom checklist |
| asc | ascending; anterior subcapsular |
| ASCAD | atherosclerotic coronary artery disease |