Table 1.

Cocktail of 86 potentially interfering substances.

Class	Compounds
Amphetamines	amphetamine, methamphetamine, 3,4-methylenedioxyamphetamine, 3,4-methylenedioxymethamphetamine, ephedrine, pseudoephedrine, phenylpropanolamine, phentermine
Cannabinoids	THC, THCA, cannabidiol
Cocaines	cocaine, cocaethylene, benzoylecgonine, norcocaine
Hallucinogens	phencyclidine, ketamine, norketamine, dextromethorphan, dextrorphan
Opiates	codeine, dihydrocodeine, morphine, hydrocodone, hydromorphone, oxycodone, oxymorphone, monoacetylmorphine, buprenorphene, norbuprenorphene, nalbuphine, naltrexone, 6β-naltrexol, butorphanol, meperidine, normeperidine, pentazocine, tramadol, methadone, 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine, fentanyl, norfentanyl, sufentanil, alfentanil, propoxyphene, norpropoxyphene
Benzodiazepines	alprazolam, α-hydroxyalprazolam, diazepam, oxazepam, nordiazepam, midazolam, triazolam, temazepam
Barbiturates	amobarbital, butalbital, pentobarbital, secobarbital, phenobarbital
Antidepressants	fluoxetine, norfluoxetine, amitriptyline, nortriptyline, doxepin, nordoxepin, sertraline
Antihistamines	pheniramine, chlorpheniramine, brompheniramine, doxylamine, diphenhydramine
NSAIDa	ibuprofen, naproxen, ketoprofen, salicylic acid
Miscellaneous	lidocaine, cotinine, hydroxycotinine, caffeine, carisoprodol, meprobamate, methylphenidate, ritalinic acid, zolpidem, zopiclone, acetaminophen

a) Non-steroidal anti-inflammatory drug.