What is THC in the urine?

This is a 2-part urine test to look for delta-9-tetrahydrocannabinol, or THC. THC is the active ingredient in marijuana. The test can find out if THC or related chemicals from marijuana called metabolites are in your urine. The test is considered quite accurate.

What does ULOL mean on a drug test?

ULOL- The upper limit of linearity is defined as the highest concentration of analyte that exhibit acceptable chromatography, ion ratios within ± 20% of the calibrator and a calculated concentration of the highest standard is within ± 20% of the target concentration.

What does ng/ml mean on a drug test?

Nanograms per milliliter, abbreviated ng/mL, is the unit of measure most commonly used to express drug testing cut-off levels and quantitative test results in urine and oral fluid. A nanogram is 10-9 grams.

How far back can Hair testing detect drugs?

Hair drug tests have the longest detection period, and can typically detect drug use for up to 90 days. Depending on the drugs used, a hair sample can sometimes help determine when drug use occurred and whether it’s been discontinued.

What are cut-off levels for drug testing?

In the case of urine analysis, drug testing cutoff levels are measured in nanograms per milliliter (ng/ml). For example, an initial screening for marijuana must show at least 50 ng/ml, and then confirmatory tests must prove at least 15 ng/ml.

What are the cut-off levels for DOT drug testing?

Subpart F – Drug Testing Laboratories

Can you get a MRO for medical marijuana?

Therefore, MRO’s commonly disregarded medical marijuana authorization at the state level as a valid excuse to combat a positive drug test result. However, the MRO community recognizes the growing number of positive test results and the way it’s impacting employers. Some are choosing to reconsider their approach to the situation.

What’s the role of the MRO in a drug test?

The MRO’s role is to verify that an individual has a legal explanation, i.e., a prescription, for having a substance in his/her system at the level it shows.

When do you have to verify a MRO test result?

(a) As the MRO, you must verify a confirmed positive test result for marijuana, cocaine, amphetamines, semi-synthetic opioids ( i.e., hydrocodone, hydromorphone, oxycodone, and oxymorphone ), and/or PCP unless the employee presents a legitimate medical explanation for the presence of the drug (s)/metabolite (s) in his or her system.

What happens if you get a positive drug test for marijuana?

The employee supplies any medical evidence that contributes to the positive result. Marijuana is classed as an illegal drug with no medical purpose. Therefore, MRO’s commonly disregarded medical marijuana authorization at the state level as a valid excuse to combat a positive drug test result.