| Abbreviation | Definition |
|---|---|
| ASMA | Anti-Smooth Muscle Antibody |
| ASMD | Autosomal Segment Mesenchymal Dysgenesis |
| ASO | Anti Streptoysin O |
| ASO | AntiStreptolysin O titer |
| ASO | Anti-Streptolysin O titer |
| ASOT | Anti-Streptolysin O Titer |
| ASOT | Antistreptolysin O titre |
| ASOT | antistreptolysin-O test |
| ASPD | Animals Scientific Procedures Division |
| ASPHL | Alaska State Public Health Laboratory |
| ASPL | Advanced Signal Processing Laboratory |
| ASR | Analyte Specific Reagent |
| ASRS | ADHD Self Report Scale |
| Aß | amyloid-ß |
| AST | Advanced Skin Technologies |
| AST | Aspartate Amino Transferase |
| AST | Aspartate AminoTransferase |
| ASTM | Anaerobic Stabilization Thermophilic Mesophilic |
| ASVL | Alaska State Virology Laboratory |
| ASWL | Anti Submarine Warfare Laboratory |