Thc Urine Test Faint Linefaint line on THC urine strip : r/drugtesthelp. I have a very faint line on my test…. The result may show up as one red "C" line ( positive) or two red ("T" and "C") lines ( negative ). 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 instructions provided. There's no such thing as a ghost line. Consider the source Laboratory technicians are experts when it comes to reading drug test results—any red flag causes. Try not drinking too much water because if you do that on your actual day of your test you will fail the test because too dilute a urine is considered as adulterated and. The test strip is labeled with an abbreviation. The THC Rapid Test Cassette yields a positive result when the concentration of marijuana in urine exceeds 50ng/ml. The detection period depends on exactly which medication or drug you used. Saleem Consultant Cardiologist Doctoral Degree 15,116 satisfied customers I haven't smoked in 45 days. The blue line shows how the concentration of THC-COOH changes over time. The best practice is to not over-interpret a faint T-line. morphine (Avinza, Duramorph): up to 3 days. There are some things to consider when determining your urine drug test. Without a control line present, the test is invalid. Does a faint line mean there is some drug present in the urine? The presence of a test line, regardless of how faint, indicates a negative result. Faint Line on A Drug Test mean?. For urine alcohol tests, the period of detection depends on the type of test you take. A faint line on a drug test is still a line, so if you have a faint line in the Test Region (T) then you have a negative drug screen result. Drug test results do not vary based on the intensity of the colored lines. What causes a faint line on the drug test? 1. See their ease of use in the “How to use” tab. Easy@Home Marijuana (THC) Single Panel Drug Tests Kit - # EDTH-114 (100 Pack) $59. Just a couple quick questions before I transfer you. The faint lines are prevalent in the findings, regardless of the drug testing method employed. If i have a very faint line almost invisible will i pass for…. The reading can be affected by the temperature of the urine, how long it has been exposed to the air, or how old the test is. There should be a line in the control zone, denoting the test is valid. After the 5 minute mark there is the appearance of the faintest of faint lines. Hi u/Ok-Treat8063 , cannabis can stay in your urine anytime from 5 - 95 days. The area labeled “T” is the test region. The area next to the window labeled “C” is the control region. But chances are very low that you. Sorry you don't get the part about diluting to see if you're anywhere close to passing. 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. The chemical External Variables. In General, any very faint line on the test region could indicate that the drug in the sample could be near the cut-off level for the test. How Long Does It Take to Get below 50 ng/mL?. TEST PROCEDURE Collect urine sample. 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. faint line on at home thc test : r/see. 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. Marijuana Detection Time Chart. Completly dumb to dilute for a home test you're giving yourself. A ghost line is a very faint line you think you see but you're not sure. Quick answer: A faint line on a drug test is deemed a NEGATIVE TEST RESULT, which suggests that the test did not discover any trace of that substance above the test’s cutoff level. Here are the most common opiates and the detection period for urine testing: codeine:. Each test will have its own calibration and regent. Drug test results do not vary based on the intensity of the colored lines. What are you choosing left or right? ⬅️Left:GelatoCake ️Right:KushCake. Some OTC drugs are chemically similar to the drugs that are screened in the rapid drug test. Just passed mine after 3 weeks. Without a control line present, the test is invalid. Drug tests can detect THC, in urine, blood, and hair for many days after use, while saliva tests can only detect THC for a few hours. Tests are designed for consistent results display, but each assay is never going to have identical line darkness. Re: My home test shows a Very faint negative line but test is in 2 days! Need Help AS Any line, regardless of its intensity, is considered a negative. It turns out that one of the most common pieces of advice given to those plagued by a drug test is not true. How to interpret faint line on THC drug test. While holding the test, dip the tip of the test (no further than the downward-facing arrows) into the urine sample for 30 seconds; do NOT submerge the entire test into the urine sample. While it's true that drinking water a few hours before a test will help dilute your sample. Urine is a complex substance that varies in makeup from person to person. What does a faint line on a drug test mean? If a faint line appears in the Test Region of a drug test, this still counts as a NEGATIVE TEST RESULT. I was taking 5-20mg of edibles 3-5x times a week for 5 months. Picked up a box of at home test from wal-shop the other week. If a faint line appears in the Test Region of a drug test, this still counts as a NEGATIVE TEST RESULT. Even if there is some drug in the urine, if the line is present, the urine does not have the. The initial preliminary findings from urine drug test strips show that the substance is present at greater amounts. I probably would’ve tested clean. The vertical green line indicates the day when the concentration of THC-COOH in the urine will be below the detectable level. Marijuana Drug Test Calculator. Faint lines can be caused by the resemblance of the drug's metabolites with some other compounds having a similar chemical composition. The THC15 and THC20 ütest+ devices represent the highest sensitivity for antibody-based THC drug screens, meaning a faint T-line would still indicate that the drug concentration is too low for a laboratory to call positive. Remove the test from the urine sample; place the cap back onto the test and lay it on a flat surface. A faint line is always a negative result if a control line is present. What is this test? This is a 2-part urine test to look for delta-9-tetrahydrocannabinol, or THC. I have a very faint line on my test. Faint line on a drug test. Cannabinoid Screen and Confirmation (Urine). The test is immediately deemed negative. Two lines, even faint lines denote a negative test. Drug test results do not vary based on the intensity of the colored lines. The blue line shows how the concentration of THC-COOH changes over time. Either you passed or you didn't. Yes, faint lines DO indicate negative results! The presence of a test line, regardless of how faint, is indicative of a negative result. Faint lines can be caused by the resemblance of the drug’s metabolites with some other compounds having a similar chemical composition. Will You Pass a Drug Test?">Marijuana Drug Test Calculator. If You Want To Pass A THC Urine Test, Avoid These Five Mistakes. The intensity of the color of a line on the drug test should not be interpreted as a measure of the amount of drugs present. Urine is a complex substance that varies in makeup from. Urine For urine alcohol tests, the period of detection depends on the type of test you take. Faintest of faint line on THC test. What does a faint line on a THC drug test mean. My home test shows a Very faint negative line but test is in. If the drug test temperature is out of range, it is possible the urine is adulterated by substances (i. The urine marijuana test will be positive if the amount of THC in the sample is more than 50 nanograms per milliliter (ng/mL). I see it in the results OP posted. With UTest, you get results from below the industry testing standard of 50 ng/ml, at an ultra sensitive15 ng/ml level. The THC15 and THC20 ütest+ devices represent the highest sensitivity for antibody-based THC drug screens, meaning a faint T-line would still indicate that the. Very faint line on THC urine strip : r/drugtesthelp by Ok-Treat8063 Very faint line on THC urine strip Maybe a dumb question but I have a test coming up for a very important job monday. Following a single marijuana use, THC is unlikely to be detected in the urine beyond 3 days at the 50 ng/ml cut-off level and beyond 7 days for the 20 ng/mL cutoff level. Thc at HOME drug test line showing up very faint!!! So I have a drug test in 2 weeks & haven't smoke in 2 weeks 2nd line showing up very light do you all think this is a pass. It makes sense that what you put in affects what comes out. Too much water was drank before taking the test) may cause a faint line. What is this test? This is a 2-part urine test to look for delta-9-tetrahydrocannabinol, or THC. Urine excretion cleanses the body of unnecessary substances. While holding the test, dip the tip of the test (no further than the downward-facing arrows) into the urine sample for 30 seconds; do NOT submerge the entire test into the urine sample. What are you choosing left or right? ⬅️Left:GelatoCake ️Right:KushCake. test result for THC? The line is super faint">Is this a negative test result for THC? The line is super faint. If there is no THC in your urine, the antibodies will bind to a colored marker on the test strip and produce a visible line. If you hang out often with someone who puffs on pot, your urine could have traces of THC. The urine specimen composition can vary person to person depending on their fluid consumption,. Individual factors can cause a faint line to appear on a drug. I've had 4 or 5 in the past an never fail I have checked web sites an they say it's a pass , so can't understand why I have been suspended if the line is there but faint. What Causes a Faint Line on a Drug Test? Using a 12-panel drug test as an example, these tests are designed to test for up to 12 different drugs. Low detection level test may cause a faint T-line (ie. I took a 10 panel urine drug test at work where you need to see 10 lines. Quick answer: A faint line on a drug test is deemed a NEGATIVE TEST RESULT, which suggests that the test did not discover any trace of that substance. The presence of metabolites over the cutoff threshold is indicated by a positive result, which may be verified by a follow-up lab test. Faint Line On a Drug Test: What Does It Mean?. heroin: as little as 1 day, up to 3 days. I got drug tested yesterday an the line for THC was faint , an my work has suspended me for a week while it is sent to a lab. How Long Do Opiates Stay in Urine? Examples, Drug Test Cutoffs. Understanding a Faint Line on your Home Drug Test. Urine For urine alcohol tests, the period of detection depends on the type of test you take. Perform a second test or send the specimen to a laboratory to obtain confirmatory results. This allows you to detect even the faintest trace of THC in your system so that you know when it is safe to take official tests for work, school, sports, and more. Detects at 15 ng/mL, 20 ng/mL, 50 ng/mL,. I stopped cold turkey 30+ days ago. Remove the test from the urine sample; place the cap back onto the test and lay it on a flat surface. How to read faint line on THC drug test. 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. What Causes Faint Lines on a Drug Test? Variations in Urine Makeup. However, there are some exceptions that might make your urine more concentrated before your test, including: Dehydration Sweating Vomiting Diarrhea. Saleem Consultant Cardiologist Doctoral Degree 15,165 satisfied customers I haven't smoked in 45 days. If no C line appears within 10 minutes on a test strip, the test result is invalid. On a THC drug test, for example, a faint line can appear as a blurred, A positive result can mean recent and past marijuana use. If there is no THC in your urine, the antibodies will bind to a colored marker on the test strip and produce a visible line. Basically, the faint lines are found in the THC tests which means the metabolites are present but below the cutoff level. What Do Faint Lines on a Drug Test Mean?. This is the point under which tests are considered negative, and above which the tests are positive. The presence of metabolites over the cutoff threshold is indicated by a positive result, which may be verified by a follow-up lab test. Due to the similar compound as. However, if there is THC in your urine, it will compete with the marker for the antibodies and prevent them from binding to the test strip. What Causes Faint Lines on a Drug Test? Variations in Urine Makeup. I just subbed with my GFs urine last week and tested her 100% clean urine on 3 different 5 panel tests and her clean. Any colored line next to the T, even if faint, indicates a negative (clean) result. Will You Pass a Drug Test?. The reason for this is because the cutoff level of THC on the tests is at 50ng/mL, compared to 500+ on some others drugs. Each test will have its own. TEST PROCEDURE Collect urine sample. Is A Faint Line On A Drug Test Still Negative?. A faint line is always a negative result if a control line is present. THC tests are more likely to have faint lines because of components of the test itself as well as more natural substances interacting with the regeant. EtS urine test: 24 to 72 hours. There should be a line in the control zone, denoting the test is valid. How soon can I read the results?. Two lines, even faint lines denote a negative test. There should be a line in the control zone, denoting the test is valid. Faint lines can be caused by the resemblance of the. Ver y faint line on at home thc test : r/see. 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. For the most accurate results, read the test. Urine? Examples, Drug Test Cutoffs">How Long Do Opiates Stay in Urine? Examples, Drug Test Cutoffs. Any line, even a very faint one normally means negative for thc in any test i have seen. The test results will be considered negative of course. Questions the Experts can answer. This assay provides a preliminary analytical test result. Is a faint line on a THC drug test a negative result. Very faint line on THC urine strip : r/drugtesthelp by Ok-Treat8063 Very faint line on THC urine strip Maybe a dumb question but I have a test coming up for a very important job monday. Very faint line on THC urine strip : r/drugtesthelp by Ok-Treat8063 Very faint line on THC urine strip Maybe a dumb question but I have a test coming up for a very important job. THC (Marijuana) Urine Drug Test Strips Kit For Home Use by ">THC (Marijuana) Urine Drug Test Strips Kit For Home Use by. Is this normal? Should I not be worried? Or will this rouse suspicion and cause them to look into it more? Appreciate any help! Thanks Vote 2 comments New Add a Comment AutoModerator • 6 min. Test Faint Lines: What They Mean. The reason for this is because the cutoff level of THC on the tests is at 50ng/mL, compared to 500+ on some others drugs. If a faint line appears in the Test Region of a drug test, this still counts as a NEGATIVE TEST RESULT. A faint line on a drug test is still a line, so if you have a faint line in the Test Region (T) then you have a negative drug screen result. Faint Lines on a Drug Test Mean?. Hi u/Ok-Treat8063 , cannabis can stay in your urine anytime from 5 - 95 days. What metabolite does the THC test detect? Tetrahydrocannabinol or 11-Nor-9-carboxy-Δ9-tetrahydrocannabinol; other acronyms are THCC, THCA and THCCOOH. At-home drug tests like the Exploro THC urine test strips or 7-panel drug tests are 99% accurate. Urine Drug Test Cup – TestCountry">How to Read a Urine Drug Test Cup – TestCountry. Consider the source Laboratory technicians are experts when it comes to reading drug test results—any red flag causes them to look a little deeper. For example, “THC” stands for Marijuana. A faint line is also considered positive but in the next 12 to 24 hours it will be. 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. NEGATIVE: When a visible line appears for both the Control (C) and Test (T) area. Remember that these are not a guarantee and can vary by person. 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. The detection window for synthetic and semi-synthetic opioids can be longer. What Does A Faint Line On A Drug Test Mean?. Re: My home test shows a Very faint negative line but test is in 2 days! Need Help AS Any line, regardless of its intensity, is considered a negative. What does a negative drug test mean?. For urine alcohol tests, the period of detection depends on the type of test you take. If a similar compound is present in the urine, a faint line is likely to indicate that. Determining Easy@Home Drug Testing Results. Note: Even a very faint line in the area indicates a negative result. Composition of Urine May Interfere with the Results The urine composition differs slightly for each individual mainly 2. How long does marijuana stay in your system? Blood, urine, and hair. However, any line in the test area, no matter how faint, should be. The test is considered quite accurate. 50 nanograms per milliliter are the usual cut-off level for pre-employment THC urine tests. Basically, the faint lines are found in the THC tests which means the metabolites are present but below the cutoff level. The THC line on the test strip on the bottom left of the photo is very faint in this case, but this is still a negative result. The presence of a faint line in the test region may also indicate the presence of drug in the specimen, especially THC. 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. EtS urine test: 24 to 72 hours. Some Medications May Produce the Same Effect. The test can find out if THC or related chemicals from marijuana called metabolites are in your urine. I took 4 drug/thc urine tests and each time, the THC lines that indicate negative are very faint compared to others. If a similar compound is present in the urine, a faint line is likely to indicate that. The initial preliminary findings from urine drug test strips show that the substance. This means you are negative for THC. One line is dark and the other is very faint. However, if there is THC in your urine, it will compete with the marker for the antibodies and prevent them from binding to the test strip. The shade of color in the test region (Drug/T in the image below) will vary, but it should be considered a negative result whenever there is even a faint colored line. What Causes a Faint Line on a Drug Test? Using a 12-panel drug test as an example, these tests are designed to test for up to 12 different drugs. For the most accurate results, read the test. Why you get faint lines on drug tests and how to interpret. How to interpret faint lines on a lateral flow drug testing kit result. Urine and One line is dark and the other is very faint JA: The Doctor can help. No line means positive, line or faint line means negative. This means you are negative for THC. com/blogs/blog/what-does-a-faint-line-on-a-drug-test-mean#Why Isn't The Top Line ("C") on My Test Strip visible?" h="ID=SERP,5809. Drinking boatloads of water in the days leading your test will not remove excess THC metabolites from your body. If a faint line appears in the Test Region of a drug test, this still counts as a NEGATIVE TEST RESULT. Quick answer: A faint line on a drug test is deemed a NEGATIVE TEST RESULT, which suggests that the test did not discover any trace of that substance above the test’s cutoff level. 95 15 Pack Easy@Home Marijuana (THC) Single Panel. If someone reviewed this test who did not have an up to date Rx for their glasses, they could. EtG urine tests: 24 to 72 hours. a urine sample can be used at any point during the day with a Ütest product. 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. faint lines on drug tests and how to interpret ">Why you get faint lines on drug tests and how to interpret. What Causes Faint Lines in Drug Test Results? The unique chemical makeup of each person’s urine can influence how strongly a line appears on the drug test. You may also find this video on interpreting a faint line on a drug test helpful. THC 20 ng/mL test, THC 15 ng/mL, COC 150 ng/mL). Easy@Home Single Panel Drug Test Q&A. The C line should appear within 10 minutes. Quetiapine, which treats schizophrenia and bipolar disorder, can wrongly show that you have methadone in. This is a 2-part urine test to look for delta-9-tetrahydrocannabinol, or THC. On this day, you will be able to pass a drug test. The test utilizes a monoclonal antibody to selectively detect elevated levels of marijuana in urine. Negative results will appear as soon as 2 minutes, and positive results can be read in up to 5 minutes. UTest Instant THC Home Drug Test. In this table you can find general detection times for weed. Urine For urine alcohol tests, the period of detection depends on the type of test you take. Faint Line On A Drug Test Still Negative?. The THC and the OPI lines are fainter than the others in this particular test. This means that even if the line is very faint, the test has not found any trace of that specific substance. Urine tests are most commonly used to detect drugs. Fkn hopeful thinking is all that is. Why do the test lines. Remove Ads Kyle Green260008 over a year ago. An acceptable urine temperature for drug test analysis falls between the range of 32–38 °C (90–100 °F). Ethanol urine tests: 12 hours. In General, any very faint line on the test region could indicate that the drug in the sample could be near the cut-off level for the test. codeine: up to 3 days. A faint line on the test result doesn’t cause concern. In General, any very faint line on the test region could indicate that the drug in the sample could be near the cut-off level for the test. Does a faint line still mean a negative result? Yes, a faint line T (Test) line is negative drug screen result as the C (Control) line is present. This is because of the way the body metabolizes THC. If there is no THC in your urine, the antibodies will bind to a colored marker on the test strip and produce a visible line. What Does a Faint Line on A Drug Test mean?. I smoke pot seldom and used last for 2 days 11 days ago. When you see two lines (no matter if it's a very faint line on a drug test forTHC or a dark line), it means that the result of your test is negative. The Exploro highly sensitive THC test for home use is designed to be safe, accurate, fast, simple and easy to use. This marijuana THC urine test detects THC at the absolute lowest level of detection available for at-home testing kits. I took a 10 panel urine drug test at work where you need to see 10 lines. Understanding the interpretation of drug test results is critical for. Possible Causes of Faint Line on Drug Test 1. Faint lines can be caused by the resemblance of the drug’s metabolites with some other compounds having a similar chemical composition. The faintness of the THC test line is of no significance and should not be interpreted in any other way than as a negative result. The urine test result of the donor may exhibit faint lines within the time limit on some immunoassays. If you drank plenty of water and have urinated two or three times before your test, then the concentrations of THC metabolites in your urine will likely be as diluted as they are going to get. Faint lines on drug tests can show up due to the following reasons: Not leaving the test strip inside a urine sample for long enough. Even a faint line is valid, so just listen to the instructions. All of these drug test results including the faint lines are negative ie no drug was. Faint Line on THC Drug Test Strip? Here's What it Means ">Faint Line on THC Drug Test Strip? Here's What it Means. However, there are times you may see a faint line on your drug test (which has nothing to do with its accuracy). Each test will have its own calibration and regent. There are also dozens of variables that exist outside the laboratory that play into drug testing Cross Reactivity. How Long Do Opiates Stay in Urine? Examples, Drug Test …. Ethanol urine tests: 12 hours EtG urine tests: 24 to 72 hours EtS urine test: 24 to 72. Basically, the faint lines are found in the THC tests which means the metabolites are present but below the cutoff level. THC is the active ingredient in marijuana. cannabis can stay in your urine anytime from 5 - 95 days. The test strip is labeled with an abbreviation. Faintest of faint line on THC test Picked up a box of at home test from wal-shop the other week. Faint Line on your Home Drug Test">Understanding a Faint Line on your Home Drug Test. Ethanol urine tests: 12 hours EtG urine tests: 24 to 72 hours EtS urine test: 24 to 72. Following a single marijuana use, THC is unlikely to be detected in the urine beyond 3 days at the 50 ng/ml cut-off level and beyond 7 days for the 20 ng/mL cutoff level. The Exploro® THC test kit includes either 15 or 25 single panel THC urine drug testing strips with easy to follow and detailed instructions for the best test results. This video covers the subject of what faint or partial lines on a drug test indicate. Try not drinking too much water because if you do that on your actual day of your test you will fail the test because too dilute a urine is considered as adulterated and you will test positive even if they do not detect anything. Exploro Highly Sensitive at Home Marijuana Drug Test Kit, THC Drug Test. The intensity of the color of a line on the drug test should not be. What causes a faint line on the drug test? 1. Ethanol urine tests: 12 hours. If the Control line ("C") does not appear on your THC test strip, make sure that your test isn’t expired, the temperature of the urine and room is not too cold or hot, etc. 59/Count) Prime Screen [5 Pack] 5 Panel Urine Drug Test Kit - Testing Instantly for 5 Different Drugs AMP, COC, MET (Meth), OPI, THC (Marijuana) - WDOA-254 316 1 offer from $9. Not having enough THC in the bloodstream to cause a fully positive result, but enough to leave a small trace, causing a faint line. Some Medications May Produce the Same Effect Some OTC drugs are chemically similar to the drugs that are screened in 3. A faint line on a drug test is still a line, so if you have a faint line in the Test Region (T) then you have a negative drug screen result. This pertains to everything, not just drugs. The presence of a test line, regardless of how faint, indicates a negative result. Basically, the faint lines are found in the THC tests which means the metabolites are present but below the cutoff level. INTERPRETATION OF RESULTS Home Drug Test: 1. Several of these medications for mental disorders can lead to false positive tests. Drug Test Faint Lines: What They Mean. Some substances and drugs have chemical compounds that resemble targeted drugs or its metabolites. The THC15 and THC20 ütest+ devices represent the highest sensitivity for antibody-based THC drug screens, meaning a faint T-line would still indicate that the drug concentration is too low for a laboratory to call positive. Thc at HOME drug test line showing up very faint!!!. A faint line is always a negative result if a control line is present. Two Puffs Too Bad: Demystifying Marijuana Urine Testing. If you use marijuana but your test is negative, it could be because your THC levels. Here are the most common opiates and the detection period for urine testing: codeine: up to 3 days. But chances are very low that you’ll have. The intensity of the color of a line on the drug test should not be interpreted as a measure of the amount of drugs present. Faint lines on drug tests can show up due to the following reasons: Not leaving the test strip inside a urine sample for long enough. On the image above, the person will be able to pass on day 8. Very faint line on THC urine strip : r/drugtesthelp by Ok-Treat8063 Very faint line on THC urine strip Maybe a dumb question but I have a test coming up for a very important job monday. The urine specimen composition can vary person to person depending on their fluid consumption, health 2. What Causes Faint Lines on a Drug Test? Variations in Urine Makeup.  Then, do the test again. The line for THC showed up very very faint and they failed me. Not having enough THC in the bloodstream to cause a fully positive result, but enough to leave a small trace, causing a Chemical imbalances or dilution of the. If you hang out often with someone who puffs on pot, your urine could have traces of THC. That’s the chemical in the cannabis plant that gets you high. Again, a TPA will have the greatest understanding of drug test results. Puffs Too Bad: Demystifying Marijuana Urine Testing. In some cases, you might not see the C-line because the test was flooded by too much urine or the test was added to Why you get faint lines on drug tests and how to …. Buy 3 Pack - DrugExam THC Advantage Made in USA Multi Level Marijuana Home Urine Test Kit. Different drug testing devices are used to detect the multiple drugs simultaneously. extremely faint line on drug test am I 100% clean?">extremely faint line on drug test am I 100% clean?. Faint lines on drug tests can show up due to the following reasons: Not leaving the test strip inside a urine sample for long enough. With a lower threshold, the line will pretty much always be lighteror something like that. 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. [4] For a single use based on the 50ng/mL cutoff, carboxy-Δ 9 -tetrahydrocannbinol can be detected in the urine within 3 days. What Does a Faint Line on a Drug Test Mean?. This is a 2-part urine test to look for delta-9-tetrahydrocannabinol, or THC. EtG urine tests: 24 to 72 hours. You may have to do the urine test in a healthcare provider's office or with a. A faint line on a drug test is still a line, so if you have a faint line in the Test Region (T) then you have a negative drug screen result. 11 /11. For someone like a donor who has never smoked in their life, THC tests can still show faint lines. Is there an upcoming drug test … read more Dr. I got drug tested yesterday an the line for THC was faint , an my work has suspended me for a week while it is sent to a lab. Highly Sensitive THC 5 Level Drug Test Kit. After the 5 minute mark there is the appearance of the faintest of faint lines. Results after 5 minutes are always invalid. You should have a solid on the top and bottom or faint bottom and solid at the top. Get precise results in just 5 minutes with 99% accuracy in the comfort and privacy of your home. water) indicating the drug test has been falsified. If you see a faint line it simply means that the THC (or other drugs) levels in your body are most probably very close to the cutoff. That's the chemical in the cannabis plant that gets you high. Read the test results within 5-10 minutes.