2292U |
n-Hexane Exposure Monitoring, Urine |
3060U |
N,N-Dimethylacetamide Exposure (N-Methylacetamide), Urine |
3070U |
N,N-Dimethylformamide (DMF) Exposure (N-Monomethylformamide), Urine |
3111SP |
Naloxone - Free (Unconjugated), Serum/Plasma |
3111U |
Naloxone - Total (Conjugated/Unconjugated), Urine |
3113U |
Naloxone - Total (Conjugated/Unconjugated) Screen, Urine |
3116SP |
Naltrexone and Metabolite - Free (Unconjugated), Serum/Plasma |
3116U |
Naltrexone and Metabolite - Total (Conjugated/Unconjugated), Urine |
3118SP |
Nateglinide, Serum/Plasma |
3140U |
Nickel, Urine |
3145SP |
Nefazodone, Serum/Plasma |
3145U |
Nefazodone, Urine |
3150SP |
Nicotine and Metabolite, Serum/Plasma |
3150U |
Nicotine and Metabolite with Anabasine, Urine |
3174SP |
Nitrate/Nitrite (Qualitative), Serum/Plasma |
3220SP |
Nortriptyline, Serum/Plasma |
3220U |
Nortriptyline, Urine |
3225SP |
Nuedexta®, Serum/Plasma |
8702U |
Nortriptyline, Urine |
8756SP |
Novel Psychoactive Substances (NPS) Screen 1, Serum/Plasma |
8756U |
Novel Psychoactive Substances (NPS) Screen 1, Urine |
9404SP |
Nicotine and Metabolite Screen, Serum/Plasma |
9404U |
Nicotine and Metabolite with Anabasine Screen, Urine |
9433U |
Nortriptyline Screen, Urine |