When a sample arrives at our Laboratory, it goes through a two-stage testing process to ensure the final result is always correct.
The first stage is called the Screening stage, this is where a sample (urine, oral fluid or hair) is screened against a drug group (eg Opiates). If the sample is positive for that drug group, the sample then goes onto the second stage.
The second stage is called the Confirmation stage. Confirmation tests pin-point the exact drug that was initially detected during the first (Screening) stage.
As every drug has its own “fingerprint” (or its own unique molecular structure) this means that in the example of taking Opiates, the laboratory can detect if a donor has taken a prescribed drug, an illicit drug or both. This means that prescribed medications can be ruled out.
It is important to note that some companies with safety critical staff have their own list of allowed and banned medications so please always check with your HR department if you are taking prescribed medication.
For this reason is extremely important to declare any medication you may be taking when completing Chain of Custody paperwork.
The testing methods we use are Legally defensible and are used in legal proceedings on a weekly basis. This two-stage process of analysis gives our clients the reassurance they need that the final result is correct and most importantly, Legally Defensible.
We have recently had quite a few questions regarding CBD oil and thought this information might be of interest to customers.
Cannabidiol (CBD) is found in the cannabis plant which is the same plant that produces THC. THC is a psychoactive drug and which produces the “high”. CBD, though structurally similar to THC, does not produce a “high”
CBD oil purchased from reputable dealers will contain only negligible amounts of THC. It is claimed to be effective for a number of conditions including joint pain.
Because the THC content is so low in reputable CBD products, a urine sample will not produce a positive drug screen test for THC.
Any screening test that shows positive for cannabis should be confirmed by mass spectrometry (MS).
CBD will not provide a positive confirmation result for THC.
Matrix Diagnostics provides Chain of Custody testing and our collection officers are fully trained in this strict process. We also provide our clients with training so they can carry out Chain of Custody collections.
Chain of Custody testing starts from the moment a sample is taken all the way through to the sample arriving and being processed at our in-house UKAS accredited Laboratory.
When samples arrive at the lab, the first check before any analysis is carried out is to make sure that the samples are still sealed/intact and none of the packaging has been tampered with. If there is any part of the process our laboratory is not happy with they will cancel the testing and inform the client.
All Chain of Custody testing goes through a two-stage testing process – screening and confirmation. This ensures that any positive results have been tested twice using two different methods and if required by the client, also reviewed by a Medical Review Officer (MRO).
This strict collection and testing procedure which is fully audited gives our clients the reassurance that the final result is correct and can stand up in Court if required.
If a client wants to challenge the result, they are able to request for the B sample (which remains unopened and sealed) to be sent to another suitably accredited laboratory. Usually the challenge laboratory will require upfront payment which most companies will pass on to the person making the challenge.
Our collection procedure, two-stage testing process, UKAS accreditation and full audit trail means that we can provide you with a result that is Legally Defensible.
Poppy seeds can cause a positive result but you will not fail a drug test because of it.
Poppy seeds come from the opium poppy, a plant where morphine and other opiates are derived. As a result, poppy seeds can contain traces of morphine.
Eating poppy seeds WILL NOT cause you to fail a drug test. This is because all testing goes through a two-stage process so in the case of Poppy Seeds, the screening stage (stage 1) looks for the drug group. In this case the screening test would detect an Opiate but cannot specify which. The 2nd stage of analysis stage which is the Confirmation stage pin-points the exact substance as every substance has a unique “fingerprint”.
Therefore a lab report where a person has eaten a lot of poppy seeds will simply say “result consistent with poppy seed ingestion”.
If our 3 day turnaround time is not fast enough then clients can take advantage of our Fast-Track service at an additional cost.
Fast-Track samples will mean you get your results the next working day, so if a Fast-Track sample arrived in our Laboratory on Monday, the final result would be sent to you on Tuesday.
6-Monoacetylmorphine (6MAM) is the metabolite which tells us if someone has taken Heroin. Testing for 6MAM test has always been available in our laboratory but more recently we have developed an instant test for 6MAM.
This means that clients using our instant testing kits are now able to see whether their client is Positive for Heroin within 5 minutes rather than sending off a sample to our laboratory and having to way two or three days.
The 6MAM test will not interact with other Opiates so if your client is taking Opiate based medication, this will not interfere with the result. The 6MAM test will look for the Heroin metabolite and nothing else.
With the ever-changing ingredients that would make up what were previously known as Legal Highs (now called New Psychoactive Substances (NPS) ), it was difficult for laboratories to be able to accurately detect whether a client had taken an NPS.
Now with advances in analysis methods, the team at Matrix Diagnostics are able to provide our customers with Laboratory and Instant testing for a large library of NPS.
We can provide laboratory analysis for NPS including Spice, Cathinone’s and many more.
For clients using instant testing kits, Matrix provides new instant testing kits to detect a range of NPS substances including newer generations of K2 Spice, Monkey Dust, Alpha PHP, Mephedrone and many others. Please see our “Product” page for further details.