Lab Test Directory—Saint Luke's Regional Laboratories
| ACIDPTASE | Acid Phosphatase, Total |
| AFB STAIN | Acid-Fast Bacillus Smear |
| ACTK POC | Activated Clotting Time (ACT), Blood |
| PTT | Activated Partial Thromboplastin Time (APTT) |
| PTT MIX | Activated Partial Thromboplastin Time (APTT) Mixing Studies |
| APC | Activated Protein C Resistance (APC-R) Clotting Assay |
| ACARN | Acylcarnitine Profile, Plasma |
| ACYLG U | Acylglycines, Quantitative Urine |
| ADALIMUMAB | Adalimumab + Ab |
| ADAMTS13 | ADAMTS13 Activity Reflex Panel |