| 11-Desoxycortisol | Compound S, 11-Deoxycortisol | Mayo Medical Labs |
| 17-Hydroxy Steroids, 24h Urine | 17-OH, 17OH, 17-Hydroxy Corticosteroids | Quest Diagnostics |
| 21-Hydroxylase Antibody | Anti-Adrenal 21 OH | Mayo Medical Labs |
| 5'Nucleotidase | | Mayo Medical Labs |
| 5-Hydroxyindolacetic Acid | 5HIAA | Mayo Medical Labs |
| Acetaminophen | Tylenol | Mayo Medical Labs |
| Acetylcholine Receptor Binding Antibody | | Mayo Medical Labs |
| Acid Phosphatase, Prostatic | PAP | Mayo Medical Labs |
| Acinetobacter Culture, Groin - Groin | surveillance acinetobacter culture | Microbiology |
| Acinetobacter Culture, Throat - Throat | surveillance acinetobacter culture | Microbiology |
| Activated Partial Thromboplastin Time | APTT, PTT | Hematology |
| Acute Care Panel | | Chemistry |
| Adenovirus PCR, Urine - Urine | | Microbiology |
| Adenovirus PCR; Quantitative, Blood - Blood | | Microbiology |
| Adenovirus 40/41 - Stool | | Microbiology |
| Adenovirus Antibody | | Mayo Medical Labs |
| Adenovirus PCR, Eye Swab - Eye | | Microbiology |
| Adrenocorticotropic Hormone | ACTH | Chemistry |
| Alanine Aminotransferase | ALT, SGPT, Transaminase | Chemistry |
| Albumin Quotient, CSF & Serum | | Chemistry |
| Albumin, CSF | | Chemistry |
| Albumin, Other | | Chemistry |
| Albumin, Serum | | Chemistry |
| Albumin, Urine | | Chemistry |
| Albumin/Creatinine Ratio | | Chemistry |
| Aldolase | | Chemistry |
| Aldosterone, Serum | | Mayo Medical Labs |
| Aldosterone, Urine | | Mayo Medical Labs |
| Alkaline Phosphatase | alk phos | Chemistry |
| Alkaline Phosphatase, Heat Stable | | Chemistry |