FAQs

Frequently Asked Questions

Medical Toxicology Laboratory LLC. is a premier full-service toxicology laboratory, which is able to test for prescription/illicit drugs and pain management assurance. The labs utilize modern day science to provide you with accurate, precise, and timely results. Detailed reports clearly summarize and identify inconsistencies to provide clients with a clear understanding about the results.

Our Services

What are the common drugs tested today?

Below we’ve attached a link to view a drug classification chart. This chart shows you the drug, the allotted time each drug is detectable, and the DEA’s classification.

Drug Classification

What laboratory technology does Medical Tox Labs utilize?

At Medical Tox Labs we have selected the LC/MS TOF [Liquid Chromatography/Mass Spectrometry Time of Flight] technology because of the accurate mass measurement, high sensitivity and wide dynamic range.

What is the report turnaround time?

Most reports are available 48-72 hours after receiving the specimen.

How do you know if a patient is trying to "cheat" a urine test?

There are many products available on the internet to help individuals produce a negative drug test result after drug use. Most of these systems produce oxidants in the urine as a way of modifying the chemical structure of a drug. Medical Tox Labs validity testing tests oxidants levels to help identify adulteration.

May I contact Medical Tox Labs for access to my results?

Please contact your provider for access to your lab results.

What are the urine screening cutoffs and methodologies?

Medical Toxicology Laboratory LLC. screens urine specimens by enzyme immunoassay (EIA). An immunoassay is a test that uses antibodies to detect the presence of drugs and other substances in urine. The initial screening process does not measure the specific amount of drug present in urine samples. It provides either a positive or negative result, indicating the presence or absence of detectable drug metabolites above a specific cutoff level.

What is Check 7?

UrineCheck 7 provides tests for Creatinine, Nitrite, pH, Specific Gravity, Glutaraldehyde, Bleach, and Pyridium Chlorochromate in urine. Test results may be useful for assessing the integrity of the urine sample prior to Drugs-of-Abuse testing. For example, whether the sample is possibly diluted with water or other liquids as indicated by the creatinine and specific gravity tests. UrineCheck 7 detects whether the sample contains commercially available adulterants including nitrite, glutaraldehyde, bleach, pyridinium chlorochromate and other oxidizing agents.

UrineCheck 7 can also assess whether the sample is possibly contaminated by acidic (vinegar) or basic (ammonia solution) adulterants as indicated by the pH test.

What does ng/mL mean?

Drug testing cutoff levels are usually expressed in the units of measure ng/mL (nanograms per milliliter). A quantitative positive GC/MS or LC/MS/MS result is commonly expressed in ng/mL.

Are there any drug cross-reactions?

Since screening methods, whether laboratory based or on-site, depend upon antibodies to react with specific drugs, reactions with unrelated drugs can also occur. For this reason, a more specific alternate method such as LC/MS/MS or GC/MS must be used in order to obtain a confirmed analytical result. Our laboratory can provide a list of substances that may possibly produce false positive screening results.

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