Lab test

Hair Drugs Tests - Order Online

Hair drug testing screens a hair sample for evidence of substance exposure over a longer period than urine or blood.

Typical price

From $59

Results

1-3 business days

Preparation

See preparation notes below

Sample

Blood draw or sample collection at a local center

Hair drug testing screens a hair sample for evidence of substance exposure over a longer period than urine or blood. As hair grows, substances and their metabolites can be incorporated into the shaft, so a sample reflects a wider time frame. Panels may cover common classes such as amphetamines, cocaine, opioids, cannabinoids, and sedatives. Presumptive results are confirmed with a specific method.

• Amphetamines Stimulant drugs such as amphetamine and methamphetamine.
• Cocaine Cocaine and its metabolite benzoylecgonine.
• Opiates Natural opioids such as morphine and codeine.
• THC Cannabis compounds and metabolites.
• Benzodiazepines Sedative-anxiolytic medications such as diazepam and lorazepam.
• PCP Phencyclidine, a dissociative drug.
• Barbiturates A class of sedative medications.

• You need a drug screen that covers a longer time frame.
• An employer, court, or monitoring program requires hair testing.
• A urine or blood result would not reflect the period of interest.
• You want a confidential hair screen for common drug classes.

• No fasting is required for hair drug testing.
• Hair is typically collected from the head close to the scalp; follow the collector's instructions.
• Avoid bleaching, dyeing, or chemically relaxing the hair immediately before collection.
• Report all prescription medications and any hair products used recently.

A negative result suggests the tested classes were not detected in the hair sample. A positive result is presumptive and is confirmed with a specific analytical method. Because hair incorporates substances over a period of months, results reflect longer-term exposure than urine. Cosmetic treatments may affect detection, so disclose them. Review any confirmed result with a healthcare provider, particularly for employment or legal matters.

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