Drug Test — Expanded (11 Panel)
A comprehensive urine screening that detects 11 different drug classes and alcohol metabolites to provide thorough insight into recent substance use.
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LevelPanel has no business or affiliate relationship with Quest or LabCorp. These links are provided as a public service.
Lab testing services linked from this site are not available to residents of Alaska, Arizona, or Hawaii, unless otherwise noted on the lab's own website.
This publication is not intended to solicit the purchase of laboratory testing from any individual consumer.
What this test measures
This 11-panel urine test screens for a broad range of commonly encountered substances and alcohol by detecting their metabolites. The panel covers benzodiazepines, marijuana (THC metabolite), cocaine metabolites, various opioids including prescription pain medications, amphetamines, and additional substance classes. For alcohol detection, the test measures ethyl glucuronide (EtG) and ethyl sulfate (EtS), metabolites that persist in urine significantly longer than alcohol itself.
Detection windows vary substantially by substance. Most drugs are identifiable for 24 to 72 hours after use, though important exceptions exist: alcohol metabolites can be detected for up to 80 hours, benzodiazepines for up to 10 days, and THC metabolites from heavy marijuana use for up to 30 days. The test identifies evidence of recent or past substance use but cannot determine current intoxication, impairment, or the timing of a specific dose. If any initial screening returns positive, confirmatory testing using a more precise analytical method is performed automatically to verify the result.
What's included
Who should consider this test
You might consider this test if you are experiencing any of the following:
- Individuals who need comprehensive drug screening for employment, legal, or personal reasons and want privacy and convenience
- People concerned about potential exposure to substances and seeking confirmation through professional testing
- Those required to demonstrate sobriety for legal proceedings, custody arrangements, or probation compliance
- Individuals in recovery who want to verify their clean status for personal accountability or treatment programs
- Parents or family members who need objective information about suspected substance use in their household
- People preparing for pre-employment screenings who want to know their status beforehand
What to expect
Preparation
No special preparation is required. Avoid excessive fluid intake before testing as diluted samples may require retesting. Bring a valid photo ID to the collection facility.
Sample Type
A urine sample is collected in a sterile container at a certified laboratory collection site. The sample is typically collected under monitored conditions to ensure integrity.
Collection
Visit your chosen lab location during business hours with your test authorization and ID. The collection process takes just a few minutes and is conducted by trained professionals in a private setting.
Turnaround
Results are typically available within 1-3 business days and are delivered securely through an online portal or by phone.
Understanding your results
Results are reported as positive or negative for each substance category. A positive result will identify the specific metabolite detected. Confirmatory testing is automatically performed on any positive screening result to reduce the possibility of a false positive. Detection window information and specific cutoff levels are included in the lab report. It is important to note that a positive result indicates exposure to a substance within the applicable detection window but does not establish a pattern of use, a specific dose, or current impairment.
| Population | Reference Range | Notes |
|---|---|---|
| All adults | Varies by substance | Each drug class has specific cutoff levels measured in ng/mL |
| Cocaine metabolites | 150 ng/mL cutoff | Detection of benzoylecgonine indicates cocaine use |
| THC metabolites | 50 ng/mL cutoff | Marijuana detection can vary significantly based on usage patterns |
| Alcohol metabolites | ETG/ETS detection | Can detect alcohol use for several days after consumption |
Reference ranges and cutoff levels shown are general guidelines. Your lab report will include the specific reference ranges and methodologies used by the laboratory that processed your sample, which are the authoritative standards for interpreting your results.
What does a “Low” result mean?
Negative results indicate that no detectable levels of the tested substances were found in the urine sample at the time of collection. This suggests either no recent use or use that occurred outside the detection window for the test.
What does a “High” result mean?
A positive result indicates the presence of a detectable amount of a substance within the testing window, but does not necessarily indicate impairment or substance use disorder. Positive results may indicate recent use of illicit drugs, misuse of prescription medications, or in some cases, legitimate medical use of prescribed substances.
Privacy & confidentiality
Drug test results are considered confidential medical information and are protected under federal privacy laws. Your results are delivered through a secure online portal and are not shared with employers, insurance companies, or other third parties without your explicit written consent. Only you and authorized personnel involved in processing your test have access to your results, ensuring complete privacy and confidentiality.
Frequently asked questions
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Last reviewed: April 2026
CPT Code: 80305, 80306, 80307
This test may not be available in: NY, NJ, RI
This page is for informational purposes only and does not constitute medical advice. Always consult with a healthcare provider regarding any health concerns. LevelPanel does not diagnose, treat, or prescribe.
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LevelPanel has no business or affiliate relationship with Quest or LabCorp. These links are provided as a public service.
Lab testing services linked from this site are not available to residents of Alaska, Arizona, or Hawaii, unless otherwise noted on the lab's own website.
This publication is not intended to solicit the purchase of laboratory testing from any individual consumer.
Not sure if this is the right test? Contact our care team for guidance.
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