| Acetoacetate (0060) | Acetoacetate (0060) |
| Acetylcholine Receptor Binding Antibody (ARBI) | Acetylcholine Receptor Binding Antibody (ARBI) |
| Acylcarnitines, Quantitative (ACRN) | Acylcarnitines, Quantitative (ACRN) |
| Aldosterone, Urine (ALDU) | Aldosterone, Urine (ALDU) |
| Haloperidol, Serum (56) | Haloperidol, Serum (56) |
| Alpha-2-Macroglobulin, Serum (A2M) | Alpha-2-Macroglobulin, Serum (A2M) |
| Aluminum, Urine (ALU) | Aluminum, Urine (ALU) |
| Amino Acids Panel, Urine (AAPD) | Amino Acids Panel, Urine (AAPD) |
| Amino Acids Panel (AAQP) | Amino Acids Panel (AAQP) |
| Aminolevulinic Acid Dehydratase (ALAD) | Aminolevulinic Acid Dehydratase (ALAD) |
| Amitriptyline and Nortriptyline, Serum (AMT) | Amitriptyline and Nortriptyline, Serum (AMT) |
| AMOXAPINE AND 8-HYDROXY AMOXAPINE (13) | AMOXAPINE AND 8-HYDROXY AMOXAPINE (13) |
| Biotinidase, Serum (BIOTS) | Biotinidase, Serum (BIOTS) |
| Clomipramine, Serum (890) | Clomipramine, Serum (890) |
| Clonazepam (CLONS) | Clonazepam (CLONS) |
| Clozapine (CLZ) | Clozapine (CLZ) |
| Angiotensin Converting Enzyme, CSF (FACE) | Angiotensin Converting Enzyme, CSF (FACE) |
| Anti-Histone Antibody (HIS) | Anti-Histone Antibody (HIS) |
| Anti-Striational Antibody (STR) | Anti-Striational Antibody (STR) |
| Anti-Tetanus Antibody (TTIG) | Anti-Tetanus Antibody (TTIG) |
| Arsenic, Blood (ASB) | Arsenic, Blood (ASB) |
| Arsenic, Hair (ASHA) | Arsenic, Hair (ASHA) |
| Arsenic, Urine, 24 Hour (ASU) | Arsenic, Urine, 24 Hour (ASU) |
| Arylsulfatase A, Leukocytes (ARSAW) | Arylsulfatase A, Leukocytes (ARSAW) |
| C1 Esterase Inhibitor Antigen (C1ES) | C1 Esterase Inhibitor Antigen (C1ES) |
| Cadmium for Occupational Monitoring, Urine (CDOM) | Cadmium for Occupational Monitoring, Urine (CDOM) |
| Cadmium, Blood (CDB) | Cadmium, Blood (CDB) |
| Cadmium, Urine, 24 hour (CDU) | Cadmium, Urine, 24 hour (CDU) |
| Caffeine (CAFF) | Caffeine (CAFF) |
| Calcitonin (CATN) | Calcitonin (CATN) |