2292U |
n-Hexane Exposure Monitoring, Urine |
3060U |
N,N-Dimethylacetamide Exposure (N-Methylacetamide), Urine |
3070U |
N,N-Dimethylformamide (DMF) Exposure (N-Monomethylformamide), Urine |
3103U |
Nadolol, Urine |
3111U |
Naloxone - Total (Conjugated/Unconjugated), Urine |
3113U |
Naloxone - Total (Conjugated/Unconjugated) Screen, Urine |
3116U |
Naltrexone and Metabolite - Total (Conjugated/Unconjugated), Urine |
3140U |
Nickel, Urine |
3145U |
Nefazodone, Urine |
3150FL |
Nicotine and Metabolite, Fluid |
3150TI |
Nicotine and Metabolite, Tissue |
3150U |
Nicotine and Metabolite with Anabasine, Urine |
3214TI |
Nitrous Oxide, Tissue |
8756U |
Novel Psychoactive Substances (NPS) Screen 1, Urine |
9404U |
Nicotine and Metabolite with Anabasine Screen, Urine |