Approximate Duration of Detectability

Approximate Duration of Detectability
of Selected Drugs of Abuse in Urine
Substance	Duration of Detectability *	TesTstick & TesTcup Cut-Off
Amphetamine	48 hours	1000 ng/mL
Methamphetamine	48 hours
Barbiturates
Short acting	24 hours
Intermediate acting	48-72 hours
Long acting	7 days or more
Benzodiazepines	3 days
*Cocaine Metabolites*	2-3 days	300 ng/mL
Methadone	3 days (approx)
*Codeine / Morphine*	48 hours	300 ng/mL
Propoxyphene / Norpropoxyphene	6-48 hours
*Cannabinoids (marijuana)*
Single use	3 days	50 ng/mL
Moderate use (4x / week)	4 days	"
Heavy use (daily)	10 days	"
Chronic heavy use	21-27 days	"
Methaqualone	7 days or more
*Phencyclidine (PCP)*	8 days (approx)	25 ng/mL

Drugs highlighted in BLUE are detectable with TesTcup 4 Panel (ASI Item # 010-47518). ASI Stocks this Item.
TesTcup 5 Panel (ASI Item # 010-07-6481-7) adds the ability to detect PCP, which is highlighted in RED.
All Drugs on this list are available in the TesTstik line of products. Click HERE to go to the TesTstik catalog page.

* Interpretation of the duration of detectability must take into account many variables, such as drug metabolism and half-life, subject's physical condition, fluid balance and state of hydration, and route and frequency of ingestion. These are general guidelines only.