| 17 Hydroxy Corticosteroids |
| 17 Hydroxypregnenolone |
| 17 Hydroxyprogesterone |
| 17 Ketosteroids, 24 Hour Urine |
| 18 Hydroxycorticosterone |
| 5 Fluorocystosine |
| 5 Nucleotidase |
| 5-Hydroxyindoleacetic Acid, 24 Hour Urine |
| 5-Hydroxyindoleacetic Acid, Random Urine |
| ABO血型/ Rh |
| Absolute Eosinophil Count |
| Acanthamoeba Culture |
| Acanthamoeba Direct Detection by Fluorescent Antibody |
| Acetaminophen |
| Acetylcholine Receptor Antibody - Not FDA approved |
| Aceylcholinesterase, Amniotic Fluid |
| Activated Protein C Resistance |
| Acylcarnitines, Plasma Quantitative |
| Adalimumab |
| ADAMTS13 Activity |
