Amino Acids Quantitative by LC-MS/MS, Urine Aminolevulinic Acid (ALA), Random Urine Aminolevulinic Acid (ALA), Urine Amino Acids Quantitative by LC-MS/MS, Plasma Amiodarone and Metabolite Amylase, Serum or Plasma Amikacin, Trough Level Ammonia, Plasma Amikacin, Peak Level Amniotic Bilirubin Scan Amphiphysin Antibody, IgG Aluminum, Urine Amoeba Calcofluor Stain Anabolic Steroids, Urine – Screen with Reflex to Confirmation Amphetamines Urine Screen with Reflex to Quantitation Alprazolam Amphetamines (D/L Ratio), Urine Amoxapine and Metabolite Quantitative, Serum or Plasma Amphetamines, Serum or Plasma, Quantitative Amobarbital, Serum or Plasma
