Oral Fluid Drug Test
A drug test using a saliva sample, offering a shorter detection window but convenient observed collection.
Key Facts
- Detection window of 24–48 hours for most substances
- DOT approved oral fluid testing in June 2023
- Observed collection reduces opportunity for substitution
- Rapid results available with some testing devices
Oral fluid (saliva) drug testing collects a sample from the mouth using an absorbent pad. Detection window is typically 24-48 hours, making it useful for detecting recent drug use. Key advantage: collection can be directly observed without privacy concerns, reducing the risk of specimen substitution or adulteration. DOT authorized oral fluid testing as an option under 49 CFR Part 40 in 2023, though implementation depends on HHS-certified lab availability.
Drug Testing Methods Compared
Side-by-side comparison of common workplace drug testing approaches.
| Type | Panel Size | Detection Window | Specimen | DOT Approved |
|---|---|---|---|---|
| DOT 5-Panel | 5 substances | 1–3 days | Urine or oral fluid | Yes |
| Non-DOT Panel | 5–17+ substances | 1–3 days | Urine | N/A |
| Hair Follicle | 5–17+ substances | Up to 90 days | Hair | No |
| Oral Fluid | 5–12+ substances | 24–48 hours | Saliva | Yes (since 2023) |
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