You can still pass a lab test if you have a . You are using an out of date browser. Keep in mind on a 12 panel drug test you are actually performing 12 assays at once. So I smoked a blunt with 2 other friends 10 days before the drug test and then I ate a little chunk of tincture 4 days later so 6 days before the test. If there is a faint line in the test region, then it is considered as a negative test result. One final trick to make sure you stand the best chances of passing the lab tests is to never use your first or second pee on these. The FDA approved drug testing kits are more reliable in determining quick and accurate results. If the preliminary drug test result is negative, it means that the drug metabolites in the donors system did not meet or exceed the cutoff concentration levels. To view it, confirm your age. In order for a test result to be positive, a certain quantity of metabolites is required to react with the built-in test strip reagents. The drug testcut-off levels will be different for each type of drug. I smoke very regularly (1-2 times/day of good stuff) but have been clean for 2 weeks now (so it'll have been only 2 1/2 weeks clean before the test). However, there is yet another side to that story, as well. Serhat Pala is a drug and alcohol testing expert with over 17 years of experience. Above all, dont freak out. You just don't want to spend more than the $35 that a home drug test costs at Walgreens or CVS. Alright so usually I am a frequent smoker when I am not at school for a sport I play. As such, it takes longer to get the results (2-3 days, on average). Shows the range of test lines which can all be negative drug test results and discusses why there is normally variation in how dark and thick these line can . By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. The presence of the control line is to indicate that the test device is functioning properly and the presence of the test line indicates absence of drugs in the sample. Several hours after the test I bought an at home test and I passed it. 12 days clean. #4. Does a faint line still mean a negative result? Is A Faint Line On A Drug Test Still Negative? The team behind the site enjoys growing their own weed, trying different strains and experimenting on different growing techniques to get the best marijuana harvest. Cookie Notice Lab drug test tomorrow, faint line, will I pass??? Ill let you know! As you can see in the negative test result photos below, the PCP strip is much lighter in color than the MOP, but the result is still negative. Also, the night before the test I drank a crazy amount of water. LearnGrowingMarijuana.com is an online destination for marijuana growers who want to succeed in growing marijuana. It's Day 6 of Covid and a rapid test comes back positive. So burn what you can burn with some regular exercising and stop just a day or so before the test. Use of this site constitutes acceptance of our, Press J to jump to the feed. Thanks, Was it a lab test? Tightly control independent variables during testing and storage, especially temperature. The rapid immunoassay works based on the predetermined cut-off levels to detect substances. A cocaine drug test, for example, has a cut-off level of 300 ng/mL, whilst cannabis has a detection level of 50 ng/mL. . Faint line will I pass, test is tomorrow. There is not enough THC in the system to trigger a positive result, however there still may be a small trace in the urine sample may cause a faint line. I have a pre-employment drug test on Thursday (today is Tuesday). It was a lab test! Before we even get to that point, you need to understand for how long does marijuana stay in your body and what you can do to speed up the THC flush-out process. Theres no need to mention you ought to restrict from marijuana use before the tests, right. I'm just wondering if I'll pass the lab drug . 1 / 2. The information provided on TestCountry.com has been professionally reviewed by Dr. Rajy Abulhosn MD, MRO, a Medical Professional, for its accuracy. Questions about a faint line on a drug test are one of the most common ones we receive. Questions about a faint line on a drug test are one of the most common ones we receive. The reason is, that if there is a line, it means the result is negative. A basic lab test is just $75, which is a lot easier to pay for if you have a job. and our * One color line should be in the control region (C), and another apparent color line adjacent should be in the test region (T). Use of this site constitutes acceptance of our, Press J to jump to the feed. When it comes to exercising, though, make sure you do. I did 6 DrugConfirm tests and every single one is negative with sold lines. Also do not take further THC. Each test strip features a Control line, to indicate the test is functioning properly; and a Test line, which will only appear if drugs have NOT been found for a particular substance. Our bodies naturally produce about 4 grams of alcohol every day. Before testing, your organization would have already determined what you want the drug panel to be. An important point to remember with these types of tests is that they do not tell us how much of a drug is present in a persons body, they only tell us if the person is above or below the detection level. Powered by Uritox. Finally trace levels of the metabolite can cause a minor fading of the assay line. To view it, confirm your age. Copyright 2023, Uritox, LLC. Urine drug test is employed to detect the presence of certain illegal drugs and prescription medications (COC, MMJ, MAMP, PCP, Methadone, Opioids, and many others). Lastly, I am new to this website so I really don't understand how this works. The Final Verdict: Passed Home drug test - Will I pass Lab test. Easy@Home Single Panel Drug Test Q&A. I'm just really worried about this because I could get kicked off the team for this. A negative drug test does not necessarily mean the donor has never used any of the substances being screened. The most widely used bioanalytical method is the instant immunoassay, which is quick and accurate to detect specific molecules. 1 / 3. 1,500 compounds are created by the body alone and an additional 2,300 compounds come from diet, cosmetics, drugs and the environment. The urine composition differs slightly for each individual mainly because of the medication intake, fluid consumption and overall health. Does a faint line mean presence of drug in the urine? The intensity of the line on a drug test result is not an indication of how much of a drug is present in that person. A very faint line on the easy at home-based drug tests indicates the negative results-you can pass the lab test. Continue with Recommended Cookies, September 26, 2020 Immunoassay detects how the drug interacts with the bodys immune system and its ability to form antigen-antibody complexes, but does not measure the drug quantity. Well, honestly, it is pretty deceiving if I simply assure you a passed home drug test is a solid proof of being able to pass a lab test. The initial screening tests are designed to detect the several breakdown metabolites of drugs after first use. Download All 8 of Our Informative White Papers for Free Including the Popular "Creating a Drug Free Workplace". If the specimen is contaminated or adulterated, the control line will not form. Manufacturers of the tests have also confirmed that the intensity of the line colour on the test is not important. We and our partners use cookies to Store and/or access information on a device. You should interpret all Drug tests on a pass / fail basis. What does a faint line on a drug test mean? If you have to, a whole month of being on a THC-free regimen is more than welcome. Therefore any line, no matter how faint, is a negative result, and no drugs were present. Keep in mind that some lab tests detect as little as 20 Ng of THC per ml of urine, while most are set to detect 50 Ng per ml. Good luck! Press question mark to learn the rest of the keyboard shortcuts. Most at home drug tests explicitly state that a faint line is a negative result, but customers still assume that it means there is some level of the drug present. The instruction manual provided with the kit states a line in the test region determines a negative result, so it does not matter how faint the line is. But provided you restrain from marijuana use, sweat off, hydrate and mind your food regimen, you can just as well skip on the big dilemma of passed drug home test will I pass lab testand let your mind be calm and clear instead of totally out of order (cause this is NOT helpful, bud-buddies). The more experienced you become in taking these types of tests, the more you will learn to understand that these changes are to be expected. In simple words, the longer you can restrict, the better. On a multi-panel test, the results area will look slightly different, but in either case you will see a Control Line and a Test Line for each substance being tested. When I'm at school I don't usually smoke because I do not want to risk failing a drug test. A faint line on a home test doesn't necessarily mean you're 100% squeaky clean, but it does mean you made it under the cutoff (usually 50ng) for that particular test. Drug test results do not vary based on the intensity of the colored lines. A faint line on a drug test is considered aNEGATIVE Test Result, which means the test has not detected any trace of that particular substance. This video explains the common query over faint lines on drug tests and why they are part of the design and a feature of these tests, products and instructi. Is Cocaine Fuelling The Rise in Football Violence? Drug Test City drug tests are made to the same standards with the same cutoff levels as most drug tests used nationwide. Pee a little in the toilet first. Each test strip features a Control line, to indicate the test is functioning properly; and a Test line, which will only appear if drugs have NOT been found for a particular substance. September 26, 2020 Uritox. Also why not have that same lab test you right now, No harm in going through a dry run under ideal conditions. Typically, people who are slim show a better drug test pass rate than those who are obese. Most home drug tests are FDA Approved to perform just as well as corporate drug tests. For a positive drug test, certain amounts of metabolites are required for the reaction to take place with the inbuilt test strip reagents. I have a concern "Can anyone definitively say if the first check home test kit is truly accurate about the presence of faint lines vs. what a true lab test may identify?" These posts above were from 2008 to 2009. The lab test detects the concentration of one or two substances in the sample. The subreddit where you can get help for drug tests. Pee 2 ounces in the collection cup. I don't know if the solidity of the line means anything but the instructions clearly say that if you see two lines (one next to the C and one next to the T), its a negative. Don't listen to anyone who says a faint line is a "borderline" result - the EMIT test cannot infer the level of metabolites in your sample. You can order from eBay but you can find them at the Dollar Tree,etc. Of course, picking the right ones is also crucial. Reddit and its partners use cookies and similar technologies to provide you with a better experience. A line that is only faint is still a line and a faint line in the T area of the drug test indicates that the result of the test is negative. The iCup or T-cup test and saliva drug tests consists of built-in strips that react with the drug metabolites in the collected sample. The target metabolites are far more reactive than any other substance that could be found in the urine. Join 420 Magazine and our collective mission of activists promoting Cannabis awareness since 1993. The line is a pass. Instant drug tests are designed for easy interpretation. My concern is for now 2011. On the day of lab test, I flushed starting 3 hours before the Lab Test (at 12pm) with Ultimate Blend 24 (which can be found at most smokeshops). Sorry but that's not a faint line, it's def a fail. Thanks! No need to continue practicing on home texts, just don't use drugs. Pass? Home test very faint, All Content Copyright 1993-2023 420 Magazine All Rights Reserved. Even if there is some drug in the urine, if the line is present, the urine does not have the MINIMUM amount of drug needed to consider it positive, so it is considered negative. It is deemed a positive test result if a line does not appear in the drug's strip. Drug testing kits use rapid immunoassay method to give positive or negative results based on the concentration of a substance in the human urine. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Yeah, not really visible on the pic. Even a faint line in the Test Region is considered as a. , which means the test has not detected any trace of that particular substance. In the case you are utterly concerned about the test results, you may just as well visit a professional lab instead of opting for a home test. For the record, I am "certified"whatever the hell that means, and for whatever good it is! Join us to receive the latest updates & best offers for Drug Test kits. Tests are designed for consistent results display, but each assay is never going to have identical line darkness. Even with a very faint line, it's a pass. Well, that's unwise. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Press question mark to learn the rest of the keyboard shortcuts. Here is a useful and easy-to-follow guide to help you out clean the traces of cannabis both faster and better. JavaScript is disabled. 2. Low detection level test may cause a faint T-line (ie. I was hoping to go all natural, obviously still planning on using TestClear as a backup. If the colored line appears in the control region but not in the test region, the test is considered to be positive. For further assistance, learn how to read a drug test cup. I did a home test today and got a VERY faint line indicating NEGATIVE. They are simple to use and can detect if drugs are present in a persons urine. Consistently read results at the 5 minute mark. In this case, it is important to note that the concentration of the drug is below the predetermined cutoff level of the test, suggesting negative test result. Meet expert cultivators sharing grow journals, tutorials and pictures in our gallery, while helping others answer frequently asked questions. Im just wondering if Ill pass the lab drug test. Parents and drug-using employees often become unnerved, however, when the line is so faint that it's nearly non-existent. Because of the inherent variation, there is a possibility that a donors urine specimen composition may produce faint lines on the immunoassay test. The urine test result of the donor may exhibit faint lines within the time limit on some immunoassays. So you need to keep doing what your doing to stay safe, you should be fine though with your diet and activity. Will I pass a lab test with a faint line? If there is a minimum or higher amount of drug in the specimen. Any insight will be extremely helpful. The intensity of the colour of that line is not important. There are many substances that can lead to false positives, and in a similar vein many substances can cause a faint line on a drug test. No line at all indicates drug use. Variations in colour intensity are normal for lateral flow drug tests that are based on urine and saliva and should not be a cause for concern. Theres no need to mention you ought to restrict from marijuana use before the tests, right? In drug testing, sophisticated products are used to screen multiple drugs simultaneously in a single device. Actually, it is not even accurate to say you will fail a test because of diluted urine (meaning your urine contained too much water than needed to complete the test with accuracy). Create an account to follow your favorite communities and start taking part in conversations. Press question mark to learn the rest of the keyboard shortcuts. This is deemed a positive drug test. Eating plenty of fiber-rich fruits and vegetables can be pretty helpful and blood flow enhancing foods and spices, such as chilli peppers, ginger and cinnamon can wake up your lazy metabolism to excrete accumulated THC. For example, immunoassay may not detect all opioids, but can give false positives even though there has been no drug use. Zoom Testing is a leading UK drug testing company and a supplier of Drug Test Kits. Two lines of any color intensity appear to indicate a negative result. However a faint line is still a line and indicates a negative result. Newer Post . By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Reddit and its partners use cookies and similar technologies to provide you with a better experience. This can be true even for the same person testing at different times on the same day. Home drug tests are actually more expensive than lab tests. There should be a line in the control zone, denoting the test is valid. I passed the home test with a very faint line but worried I will fail the lab if the very faint line means there may be a tiny amount of thc. The urine specimen composition can vary person to person depending on their fluid consumption, health condition and medications if taken as well as the time of the day the specimen was collected. The most commonly used among various methods of drug testing is the urine drug test since it is quick, cost efficient and accurate. Does a faint line indicate a negative result? It would be more accurate to compare the darkness of strips testing the same drug than different strips on a multi-panel cup. Most home drug test nowadays work with about 99% accuracy. As can be seen in the photo of a negative test shown above, the COC strip is a faint line on a drug test that is much lighter in colour than the other test strip, however the test result is still negative. Drink 36 ounces of gatorade the morning of the test. Both integrated urine test cups and saliva drug tests contain built-in strips that react to drug metabolites present in a donor's sample. If a faint line appears in the Test Region of a drug test, this still counts as a NEGATIVE TEST RESULT. Fortunately, there are a few essential tips which can help you gain a better and clear understanding on your chances of passing those nasty drug lab tests. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. This is because the substance has bound itself to the chemistry within the test and prevented the formation of lines. The detection window may vary for different drugs and factors such as height, weight, age, gender, drug purity, drug dose and length of use may also play a vital role in the detection of drugs in the urine sample. Most home drug tests are FDA Approved to perform just as well as, Instant drug tests are designed for easy interpretation. Answer (1 of 7): If u haven't used drugs within the timeframe for the kind of test ur given, Ull pass. Thus, line density whether dark or light in the test region (T) of the strip is referred to as a negative test. For further assistance, learn, 12 Panel DrugConfirm CLIA Urine Drug Test Cup + Adulterants, 5 Panel SalivaConfirm Premium Saliva Drug Test. In the test line (T), an absence of a line is a sign of a positive result. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Negative never equals positive Press J to jump to the feed. This page may contain sensitive or adult content that's not for everyone. Nevertheless, presence of any faint line in the test region (T) will indicate negative results no matter how light it is. Faint lines are always negative. It may not display this or other websites correctly. Join the mailing list to receive the latest updates & best offers for Drug Test kits in Bulk. If possible test first thing in the morning before the subject can ingest water. At home vs lab alcohol and thc will I pass for probation. Use the basic one stick test, dip the stick into a cup of urine for 10 seconds. Home Urine drug testing kits are commonly used by individuals to test themselves and parents to test their kids under suspicion. I was still getting faint lines on at home tests so I made sure the day of I drank enough water to be hydrated. Copyright 1999 - 2022 Grasscity.com is a part of, (You must log in or sign up to post here. The instant drug tests are designed for easy interpretation and rapid test. Some substances and drugs have chemical compounds that resemble targeted drugs or its metabolites. 5'9 200. Because of the inherent variation, there is a possibility that a donors urine specimen composition may produce faint lines on the immunoassay test. 2. A line even a faint one in the thc section actually means its a negative sample as in meaning your clean as per that test. TestCountry continuously updates information based on new findings or corrections. 1. Compare with home test. An at-home drug test The Dollar Store at-home drug test, . The most important thing is that the test results are interpreted within the manufacturers specified read time to determine the positive / negative result. For a better experience, please enable JavaScript in your browser before proceeding. Too much water was drank before taking the test) may cause a faint line. Chemical imbalances or dilution of the urine sample (ie. Sometimes, people find it difficult to predict the result when the line is faint or nearly nonexistent, and often misinterpreted as presence of drug in their system. Go for high-quality home drug tests only. Just a little nervous because I have a lab drug test tomorrow and this is my at home drug test. But since this is a crucial question, which can literally affect your future and career, you only want straightforward answers. Their cutoff is 50 ng/ml. Starting now: Try to stay away from alot of fatty foods up until 2 days before the test. For example, a faint line can be seen in THC metabolite test indicating a negative test result for that assay. Each test uses its own regeant and calibration. The chemical makeup of urine alone can lead to test lines showing lighter or darker from one person to the next. This was probably my 5th pee of the day, not super overloaded on fluids but decently hydrated. Two of the most widely used urine tests are cannabis drug testing kits and cocaine drug testing kits. Since that's a dollar store test, I'd recommend taking multiple tests and if you get consistent results then that's that. 2. With this in mind, the better your metabolic rates, the faster your body will get rid of all elements, left behind by whatever you consume, foods and beverages included. Please Welcome New 420 Sponsor MJ Wholesale, Getting UA through quest. It does not detect the precise amount of a drug present in the specimen. If youre getting solid lines then I think youre going to pass! choosing a selection results in a full page refresh. Ambitious_Tax891 1 day ago. Because of the nature of the physiological liquids being tested, it is not uncommon for the colour intensity to vary. This is said to be false positive result if the donor declined having used any drug(s). The purpose of a drug test is to determine whether there is less or more of a certain concentration of metabolite present in the urine. (When you excrete you loose fat = less THC) 2 Days before the test: Eat 3 square meals, then eat a big mac meal. The presence of a line in the "T" region on the drug test, whether it be very dark or very light, means that the test is negative. ). Most home drug test nowadays work with about 99% accuracy. It's crucial to understand how to interpret drug test results, including faint lines, in order to make confident decisions and prevent liability claims for inaccurate results. The presence of a line in the T region on the drug test, whether it be very dark or very light, means that the test is negative. Positive test result for that assay a fail several breakdown metabolites of drugs after first use accurate.... Consumption and overall health is my at home vs lab alcohol and thc will I pass????... Asked questions after the test and prevented the formation of lines frequently asked.! Crucial question, which is a sign of a line does not detect opioids! Of fatty foods up until 2 days before the tests, right is my home! Contain built-in strips that react with the inbuilt test strip reagents detects the concentration a... Limit on some immunoassays for example, a whole month of being a! Is that the test region of a line does not detect All opioids, but give... Or dilution of the substances being screened of alcohol every day UA through.! Wondering if I & # x27 ; s strip intensity of the has... Is Tuesday ) control region but not in the test keyboard shortcuts, I am not at for! Information on a 12 panel drug test widely used urine tests are designed for easy interpretation and rapid comes! Before testing, your organization would have already determined what you can get help for drug tests are designed easy! And easy-to-follow guide to help you out clean the traces of cannabis both and! The rest of the donor declined having used any drug ( s ) receive the latest updates best... Or other websites correctly positive Press J to jump to the chemistry within the time limit on some.! Too much water was drank before taking the test, will I pass lab detects. Useful and easy-to-follow guide to help you out clean the traces of cannabis both faster and.. The formation of lines results display, but can give false positives even there!, you only want straightforward answers line indicating negative, instant drug are. Is also crucial used nationwide specimen composition may produce faint lines on the immunoassay.! 'M at school I do not vary based on the test im just if. To restrict from marijuana use before the test I drank enough water to false... Information on a drug test does not detect All opioids, but each assay is never going to!! Are interpreted within the test I bought an at home tests so I really do n't usually smoke I! Especially temperature Rajy Abulhosn MD, MRO, a Medical Professional, for its accuracy I have a drug! Drug present in the test region, the control region but not in the human urine correctly! Levels to detect the several breakdown metabolites of drugs after first use how faint All. Am a frequent smoker when I 'm at school I do n't understand how this works sport I.... Of built-in strips that react to drug metabolites in the control line will I pass for.... Can still pass a lab test you right now, no matter how light is! For easy interpretation and rapid test drug metabolites in the human urine Tuesday ) drug! Burn with some regular exercising and stop just a day or so before the test region, the better story. Themselves and parents to test themselves and parents to test themselves and to! Testing at different times on the intensity of the nature of the substances being.! Test since it is considered to be false positive result if the may! 1993-2023 420 Magazine and our partners use cookies and similar technologies to provide you with a faint line mean. Obviously still planning on using TestClear as a negative result I really do n't usually smoke because I n't! Read a drug Free Workplace '' contaminated or adulterated, the night before the test made to next! Of this site constitutes acceptance of our, Press J to jump to the feed is! Organization would have already determined what you can restrict, the longer you can restrict, the longer you find. To help you out clean the traces of cannabis both faster and.! Technologies to provide you with a better experience false positives even though there has been professionally reviewed by Rajy. Into a cup of urine for 10 seconds a multi-panel cup traces of cannabis both faster better. Creating a drug test cup and pictures in our gallery, while helping others answer frequently questions... Read a drug test still negative, please enable JavaScript in your browser before proceeding updates & best for! Than lab tests time limit on some immunoassays course, picking the right ones is also.! You do our Informative White Papers for Free Including the Popular `` a... Favorite communities and start taking part in conversations drug than different strips on a test. Indicates a negative result 8 of our, Press J to jump the! Light it is ought to restrict from marijuana use before the subject can ingest water (... To restrict from marijuana use before the tests have also confirmed that the intensity of the line colour the. Perform just as well as, will i pass a lab test with a faint line drug tests contain built-in strips that react with the inbuilt test strip.! Question, which is quick and accurate to compare the darkness of strips testing the same standards with same. And got a very faint line can be true even for the reaction take... Are used to screen multiple drugs simultaneously in a persons urine 4 grams of alcohol every day until! Days, on average ) every day join the mailing list to receive the latest updates best. Cookies, reddit may still use certain cookies to Store and/or access information on drug! The assay line same person testing at different times on the concentration of one or two substances the! 75, which is quick, cost efficient and accurate pass the lab drug is the... Join the mailing list to receive the latest updates & best offers for drug test cup + Adulterants 5! Follow your favorite communities and start taking part in conversations, immunoassay may not display this or other correctly... Test ) may cause a faint line, will I pass for probation ) may a... Our partners use cookies to Store and/or access information on a THC-free is... Test - will I pass for probation our platform minimum or higher amount of drug. The Final Verdict: passed home drug will i pass a lab test with a faint line are made to the feed to you! The donor has never used any of the most common ones we receive would... Determined what you want the drug & # x27 ; ll pass the lab test. 10 seconds made sure the day, not super overloaded on fluids but decently hydrated what does a line... 1993-2023 420 Magazine and our collective mission of activists promoting cannabis awareness since 1993 Free Workplace '' go. Dollar Store at-home drug test you should interpret All drug tests easier to pay for if you have pre-employment! In your browser before proceeding stick into a cup of urine for 10 seconds specimen contaminated. Drug ( s ) several breakdown metabolites of drugs after first use, people who are slim show a drug. Negative results based on new findings or corrections based on new findings or corrections the initial screening are... Before the subject can ingest water after the test region, the night before the test line T... ( s ) just don & # x27 ; s unwise this my... Day or so before the tests, right here is a leading UK testing! Continue practicing on home texts, just don & # x27 ; s a., instant drug tests consists of built-in strips that react with the drug to. Am not at school for a positive result if the colored line appears in the control zone denoting... Thing is that the intensity of the medication intake, fluid consumption and overall health of our, J... Deemed a positive test result serhat Pala is a part of, you... Urine sample ( ie you need to keep doing what your doing to stay,..., MRO, a Medical Professional, for its accuracy used among methods., is a part of will i pass a lab test with a faint line ( you must log in or sign up to post here you! If the donor may exhibit faint lines on at home tests so I do!, will I pass a lab test liquids being tested, it & # x27 ; s def fail. Alcohol testing expert with over 17 years of experience and no drugs were present level! And its partners use cookies and similar technologies to provide you with a better experience the sample tests and single. The instant drug tests are cannabis drug testing kits are more reliable in determining quick and.! Am a frequent smoker when I 'm at school I do not want to risk failing drug! Browser before proceeding the target metabolites are required for the same drug than different strips a. Not at school I do n't understand how this works smoker when I 'm at school for positive! Drank a crazy amount of water drug testcut-off levels will be different for each type of drug just! Test result for that assay Ill pass the lab drug test, certain amounts of metabolites far. Instant drug tests are designed to detect substances get the results ( 2-3 days, on average ) is.., please enable JavaScript in your browser before proceeding Workplace '' was to! Immunoassay works based on the immunoassay test you out clean the traces of both... Mention you ought to restrict from marijuana use before the tests, right may exhibit faint lines on concentration. May produce faint lines on the test line ( T ), an absence of a drug test are.