Understanding the windows of detection for drug metabolism is key to obtaining the information you are looking for. Oral testing detects the most recent use, while urine produces short to medium range results, while blood, hair and nails produce results based on a detection period of weeks to months.
|Testing Method:||Window of Detection:|
|COC, OPI, AMP/METH, PCP||2-4 days|
|BARB, BZO||2-3 weeks|
|ETG (Ethyl glucuronide)/ ETS Ethyl Sulfate) Alcohol||Up to 80 hours|
|All substances||2-7 days|
|HAIR/ NAILS: (all substances)|
|Head Hair||30-90 days|
|Body Hair (Chest, Facial, Limb, Pubic)||Up to 1 year|
|BLOOD: PEth Test (Alcohol Only)||2-3 weeks|
ETG/ ETS= Ethyl glucuronide/ Ethyl Sulfate Alcohol
OPI = Opiates
Drugs not commonly tested for may not be listed here and may have varying windows of metabolism and detection.
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