29
Table 7. Windows of Detection Table
Drug
Target Analyte
Detection Time in
Urine [cutoff (ng/mL)
initial; confirm]
Detection Time in
Oral Fluid [cutoff
(ng/mL) initial;
confirm]
Detection
Time in
Blood
[cutoff
(ng/mL)]
Alcohol
EtOH 10–12 hours [NS
1
] 24 hours [NS]
EtG 1–2 days [500]
(one drink)
EtS 1–2 days [100]
(one drink)
PEth 1–2 weeks
[NS]
(heavy use)
Cocaine
Cocaine Up to 24 hours [50] 5–12 hours [1]
(single use)
8–48 hours [1]
(chronic use)
12 hours [10]
BZE 2–3 days [300; 150]
(single use)
1–3 days [300; 150]
(infrequent use)
4 days [300; 150]
(prolonged use)
12 days [300; 150]
(chronic use)
1–3 days [150; 300]
12–24 hours [1]
(single use)
1.5–3 days [1]
(chronic use)
1–2 days [5]
2 days [10]
Amphetamines
Amphetamine 1–2 days [100]
(single/infrequent use)
7–10 days [100]
(prolonged use)
2–4 days [NS]
(frequent use)
2–4 days [1000; 500]
2–4 days [500; 250]
1–2 days [100]
20–50 hours [10]
2 days [4]
Windows of Detection Table
