Welcome to demand diagnostics lab

Demand DX prides itself on client accessibility, offering 24/7/365 mobile testing services for your Drug and Alcohol Testing, DNA, or Health Screening needs


Your solution for DOT and Non DOT Drug and Alcohol Testing. We offer both Instant testing and lab confirmed testing . We have panels approved for probation, CPS and court ordered testing. We accept walk Ins during posted business hours.


Our Service

Mobile STD /STI Testing

Medical Test

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Rental Appointment

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Microscopy Study

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Lab Supply Store

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About Us

A new partner for the Future


Our mission is to perform accurate drug and alcohol screening, providing flexible availability to our clients in an environment with a high degree of process integrity and innovative methods. Clients can expect to receive 24/7 service between our brick and mortar site and mobile capabilities. Our collection technicians are trained in both non DOT procedures and DOT regulations. From the client’s organization assessment, client side staff education, referrals for adverse result recipients, industry training and testing services, we bring our screenings full circle no matter the results.


Drug testing is the evaluation of urine, blood or another type of biological sample to determine if the subject has been using the drug or drugs in question. There are many circumstances that may require drug testing:

  • Pre-employment drug screening test or random, work-related drug testing to identify on-the-job drug abuse.

  • College or professional athletic drug testing.

  • Post-accident drug testing – a vehicular or on-the-job accident which may have involved human error and resulted in casualties or property damage.

  • Safety-related drug testing – if an employee’s job could lead to safety issues if judgement or physical ability were impaired.

Urine is the most common sample type used for drug testing by employers. A urinalysis will show the presence of a drug in the system after the drug effects have worn off; however, the length of time varies by drug. Urine is the only sample type approved for testing of the federally mandated, safety-sensitive workforce.

Typical urine drug tests for employment purposes usually screen for 5 to 10 drugs. Urine screening may detect amphetamines or methamphetamines, barbiturates, benzodiazepines, cocaine, marijuana, MDA-analogues (MDA or MDMA), opiates (codeine, morphine, 6-acetylmorphine [indicative of heroin use], hydromorphone, hydrocodone, oxymorphone, oxycodone), nicotine, or alcohol.

Employers may request additional drugs to be screened.

The accuracy of drug tests can depend on several factors, including the type of test, the drug being tested for, and the laboratory conducting the test. Urine, blood, hair, saliva, sweat, and nails are some samples used for drug testing, and the accuracy of the test largely depends on the test’s sensitivity and specificity.


For instance, urine drug tests, which are commonly used, can provide accurate results more than 99% of the time. Confirmatory tests, such as gas chromatography/mass spectrometry (GC/MS), can detect specific drug metabolites with high specificity, making them highly accurate.


It’s important to keep in mind that while drug tests are generally accurate, no test is perfect, and results can sometimes produce false positives or false negatives. This can happen due to various reasons, such as cross-reactivity with other substances, handling errors, medication interference, or immunoassay limitations.


Overall, drug tests are highly accurate, especially when confirmatory testing is used. However, it’s important to interpret the results with caution and consult a healthcare professional if there’s any doubt about the accuracy of the test results.

Give us a call at  754-778-7360 and schedule your appointment with us or you can visit booking tab.

A drug test can detect various types of drugs depending on the specific test being conducted. One commonly used test is the 10-panel drug test, which screens for ten different categories of drugs. These tests can detect substances such as:

  • Amphetamines, including drugs like methamphetamine and ecstasy

  • Benzodiazepines, which include medications like diazepam and alprazolam

  • Cocaine

  • Marijuana (THC)

  • Opiates, including substances like morphine, codeine, and heroin

  • Phencyclidine (PCP)

  • Barbiturates

  • Methadone

  • Propoxyphene

  • Methaqualone

These categories encompass a range of both illicit drugs and prescription medications that can potentially be abused or misused. It’s worth noting that different drug tests, such as urine tests or blood tests, may have varying detection windows for these substances.


The detection window for different drugs in a drug test can vary depending on the drug and the type of test being conducted. The following are some approximate detection windows for certain drugs in commonly used tests:


Urine test:

Alcohol: 6-24 hours

Amphetamines: 1-3 days

Cocaine: 1-4 days

Opioids, such as morphine, heroin, and codeine: 1-3 days

Marijuana: 3-30 days depending on frequency of use and amount


Blood test:

Alcohol: 6-12 hours

Amphetamines: 12 hours to 3 days

Cocaine: Up to 2 days

Opioids, such as morphine, heroin, and codeine: Up to 12 hours

Marijuana: Up to 2 days


Hair test:

Alcohol: Up to 90 days

Amphetamines: Up to 90 days

Cocaine: Up to 90 days

Opioids, such as morphine, heroin, and codeine: Up to 90 days

Marijuana: Up to 90 days or longer depending on hair length


Various factors can influence the results of a drug test. Here are some factors that can affect drug test results:

  • Metabolism and individual differences: Each person’s metabolism and physiology can impact how their body processes and eliminates drugs. Factors such as age, weight, liver function, and genetics play a role in drug metabolism.

  • Drug interactions: Certain medications or substances can interfere with drug test results. For example, some medications may produce false-positive or false-negative results, leading to incorrect interpretations. It’s important to disclose any medications or supplements you’re taking to the testing administrator.

  • Dosage and frequency of drug use: The amount and frequency of drug use can affect detection windows. Higher doses or more frequent use may increase the likelihood of detection in drug tests.

  • Timing of drug use: The time elapsed between drug use and the drug test can impact detection. Different drugs have different detection windows, with some being detectable for shorter periods than others.

  • Sample integrity and handling: Contaminated or mishandled samples can lead to inaccurate results. Proper collection, labeling, and storage of samples are crucial for reliable testing.

  • Fluid intake and urine dilution: Drinking excessive fluids or using certain methods to dilute urine can potentially impact the concentration of drugs in the urine and lead to inconclusive or misleading results.

  • Testing method and technology: Different drug tests have varying sensitivities and detection thresholds. Some tests may have higher chances of false positives or false negatives, depending on the method used.

The privacy of drug test results is protected by federal and state laws, as well as industry regulations, to ensure confidentiality and maintain the integrity of the testing process.


Our Portfolio

A new way to experiments

Our portfolio is not static—it’s a living testament to our continual pursuit of excellence. Check back regularly to see how we’re pushing boundaries and staying at the forefront of industry trends.

Regulatory Changes
20 January 2020
Genetic Modification
30 May 2021
Drugs Research
30 May 2021
Vaccine Development
29 December 2021

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