Drug Reference
Detection windows, cutoff levels, cross-reactivity, and recommended tests for the substances we screen for.
In-depth drug guides
Full clinical references with detection windows, cutoffs, and FAQs.
THC · Cannabinoid
Marijuana / THC
Detection windows, SAMHSA cutoffs, and recommended drug tests for THC. Clinical reference for workplace, clinical, and forensic drug screening programs.
Read guide →FENT · Synthetic opioid
Fentanyl
Fentanyl detection windows in urine, saliva, hair, and blood. SAMHSA cutoffs, cross-reactivity, and CLIA-waived test panels for clinical and workplace screening.
Read guide →COC · Stimulant
Cocaine
Cocaine and benzoylecgonine detection windows in urine, saliva, hair, and blood. SAMHSA cutoffs, cross-reactivity, and CLIA-waived test panels for clinical and workplace screening.
Read guide →MET · Stimulant
Methamphetamine
Methamphetamine detection windows in urine, saliva, hair, and blood. SAMHSA cutoffs, d-meth vs l-meth, cross-reactivity, and CLIA-waived test panels for screening.
Read guide →OPI · Opioid
Opiates
Opiates (morphine, codeine, heroin/6-MAM) detection windows. SAMHSA 2000 ng/mL cutoff, poppy seed considerations, cross-reactivity, and CLIA-waived test panels.
Read guide →OXY · Semi-synthetic opioid
Oxycodone
Oxycodone detection windows in urine, saliva, hair, and blood. Industry cutoffs, cross-reactivity, and CLIA-waived test panels for clinical and workplace screening.
Read guide →MTD · Synthetic opioid
Methadone
Methadone detection windows in urine, saliva, hair, and blood. Industry cutoffs, EDDP metabolite, cross-reactivity, and CLIA-waived panels for clinical screening.
Read guide →BUP · Partial opioid agonist
Buprenorphine
Buprenorphine detection windows in urine, saliva, hair, and blood. Industry 10/5 ng/mL cutoffs, norbuprenorphine metabolite, and CLIA-waived test panels.
Read guide →ETG · Alcohol metabolite
Alcohol (EtG)
EtG (ethyl glucuronide) alcohol testing detection windows, common 100/250/500 ng/mL cutoffs, cross-reactivity, and CLIA-waived Magenta panels for abstinence monitoring.
Read guide →AMP · Stimulant
Amphetamines
Amphetamine detection windows, SAMHSA 500/250 ng/mL cutoffs, cross-reactivity with common OTC and Rx medications, and CLIA-waived Magenta panels for AMP screening.
Read guide →KET · Dissociative anesthetic
Ketamine
Ketamine detection windows in urine, saliva, hair, and blood. Industry cutoffs, norketamine metabolite, Spravato considerations, and Magenta panels for clinical screening.
Read guide →GHB · Depressant (date-rape drug)
GHB
GHB detection in urine, saliva, hair, and blood. Endogenous baseline issues, 8–12h urine window, DFSA forensic context, and why standard panels do not detect GHB.
Read guide →K2 · Synthetic cannabinoid
K2/Spice (Synthetic Cannabinoids)
K2/Spice synthetic cannabinoid testing — why standard THC tests do NOT detect K2, dedicated immunoassay panels, the analog landscape, and detection windows for corrections settings.
Read guide →MDMA · Empathogenic stimulant
MDMA
MDMA detection windows in urine, saliva, hair, and blood. SAMHSA amphetamines-class cutoffs, MDA metabolite handling, and CLIA-waived panels for clinical screening.
Read guide →BAR · Sedative-hypnotic
Barbiturates
Barbiturate detection windows in urine, saliva, hair, and blood. Industry cutoffs, phenobarbital long-window handling, and CLIA-waived panels for clinical screening.
Read guide →AAS · Anabolic-androgenic steroid
Anabolic Steroids
Anabolic steroid testing requires WADA/USADA-style specialty labs — T/E ratio, IRMS confirmation, and analyte panels for testosterone, nandrolone, stanozolol, and more.
Read guide →PCP · Dissociative hallucinogen
PCP (Phencyclidine)
PCP (phencyclidine) detection windows in urine, saliva, hair, and blood. SAMHSA cutoffs, common false-positive sources, and CLIA-waived panels for clinical use.
Read guide →TRA · Atypical opioid analgesic
Tramadol
Tramadol detection times in urine, saliva, hair, and blood. Industry cutoffs, why standard opiate panels miss tramadol, and CLIA-waived panels with tramadol coverage.
Read guide →TCA · Tricyclic antidepressant
Tricyclic Antidepressants (TCA)
Tricyclic antidepressant (TCA) urine testing: detection windows, 1000 ng/mL industry cutoff, cross-reactivity with other panels, and clinical and forensic use cases.
Read guide →All analytes
Detection-windows reference for every analyte on the Magenta panels.