3103U |
Nadolol, Urine |
3107U |
Nabumetone as Metabolite, Urine |
3110U |
Nalbuphine - Total (Conjugated/Unconjugated), Urine |
3111U |
Naloxone - Total (Conjugated/Unconjugated), Urine |
3113U |
Naloxone - Total (Conjugated/Unconjugated) Screen, Urine |
3116U |
Naltrexone and Metabolite - Total (Conjugated/Unconjugated), Urine |
3130U |
Naproxen, Urine |
3145U |
Nefazodone, Urine |
3150TI |
Nicotine and Metabolite, Tissue |
3150U |
Nicotine and Metabolite with Anabasine, Urine |
3175U |
Nitrazepam and Metabolite, Urine |
3216U |
Nordiazepam and Metabolite, Urine |
3218U |
N,N-Dimethylpentylone & Pentylone, Urine |
3224U |
NPS Stimulants (Qualitative), Urine |
9404U |
Nicotine and Metabolite with Anabasine Screen, Urine |