What is Met on a Drug Test: Know Your Results.

Published by Winsome Pappu on

photo of female scientist working on laboratory

Met is short for metabolite, which refers to a substance produced by the body after processing a drug. In drug testing, met on a drug test is a positive result for drug use, as it indicates the presence of drug metabolites in the urine or blood.

Drug testing is a common practice in workplaces, schools, and sports organizations to ensure compliance with drug policies and safety regulations. Metabolites are detectable in drug tests for different lengths of time depending on the drug, frequency of use, and the individual’s metabolism.

Therefore, drug testing can detect both recent and past drug use. Drug tests are commonly used for detecting the presence of marijuana, cocaine, opiates, amphetamines, and other illicit substances. In this article, we will delve deeper into what met on a drug test means, types of drug tests, and how long drugs stay in your system.

Understanding Drug Testing And Metabolites

What Is A Drug Test?

Drug testing is the evaluation of biological samples (such as urine, blood, hair, or saliva) to identify the presence of drug substances and their metabolites. It is a crucial tool in detecting drug use and abuse. The drug test serves as an initial screening tool to determine whether or not an individual has consumed drugs.

How Does Drug Testing Work?

Drug testing works by analyzing the biological specimens to detect specific drugs and/or their metabolites. The testing methods include immunoassays, gas chromatography-mass spectrometry (gc-ms), and high-performance liquid chromatography (hplc). Immunoassays are the most common screening method; they detect drugs and their metabolites quickly and efficiently.

However, these results may have false positives and need to be confirmed using gc-ms or hplc.

What Are Metabolites And Why Are They Tested?

Metabolites are the by-products created when the body breaks down drugs. The metabolites remain in the body longer than the drugs themselves and can be detected for a longer time. Therefore, metabolites provide more reliable and accurate information about drug use than drug detection alone.

Testing for metabolites can help detect drug use even if the drug is no longer present in the system.

How Do Metabolites Develop In The Body?

Metabolites develop after the body ingests drugs and starts to break them down. The liver plays a vital role in this process, breaking down the drugs into metabolites, which are then excreted from the body through urine, blood, or other bodily fluids.

The metabolites remain in the body for various periods, depending on the drug and dose taken, before being eliminated. The more drugs an individual consumes, the higher the concentration of metabolites in their body, thus, the longer they remain detectable in drug tests.

Drug testing is an essential tool in detecting drug use and abuse. Understanding the basics of drug testing and metabolites is critical to know what to expect from a drug test and how it works. By learning how drug testing and metabolites work, you will be able to understand your test results better.

Different Types Of Drug Tests

Urine Drug Test

A urine drug test is one of the most common and cost-effective drug tests for detecting recent drug abuse. Here are some key points about urine drug tests:

  • Urine tests can detect a range of drugs, including marijuana, cocaine, opioids, and amphetamines.
  • The test involves collecting a sample of urine in a cup, which is then sent to a laboratory for analysis.
  • Urine drug tests may also detect the use of prescription drugs, such as benzodiazepines.
  • Results of urine drug tests are typically available within a few days.

Blood Drug Test

A blood drug test is less commonly used than urine tests but can provide more accurate results for detecting recent drug use. Here are some key points about blood drug tests:

  • Blood tests can detect drugs such as marijuana, opioids, and cocaine.
  • The test involves taking a blood sample from a vein in the arm and sending it to a laboratory for analysis.
  • Blood tests can be more expensive than urine tests and may require medical personnel to administer.

Hair Follicle Drug Test

A hair follicle drug test is a method of testing for long-term drug use. Here are some key points about hair follicle drug tests:

  • Hair follicle tests can detect drug use up to 90 days prior to the test.
  • The test involves collecting a small sample of hair from the scalp and sending it to a laboratory for analysis.
  • Hair follicle tests are more expensive than urine or blood tests, but they can provide a longer window of detection.

Saliva Drug Test

A saliva drug test is a non-invasive method of testing for recent drug use. Here are some key points about saliva drug tests:

  • Saliva tests can detect drug use for up to 48 hours prior to the test.
  • The test involves collecting a saliva sample using a swab of the inside of the mouth.
  • Saliva tests are less invasive than urine or blood tests and can be performed on-site.

Sweat Drug Test

A sweat drug test is a newer method of testing for drug use. Here are some key points about sweat drug tests:

  • Sweat tests can detect drug use for up to 14 days prior to the test.
  • The test involves wearing a patch on the skin for a period of time to collect sweat, which is then sent to a laboratory for analysis.
  • Sweat tests are non-invasive and can be performed on-site, but they are less commonly used than other types of drug tests.

By knowing the different types of drug tests, it is possible to understand how long different drugs can remain in the body and how long they can be detected. Depending on your situation, a drug test may be required for employment, legal, or personal reasons.

It is important to be aware of the different types of drug tests and their potential benefits and limitations.

Metabolites And Drugs

When drugs are consumed, the body metabolizes them into different compounds called metabolites that are detectable in standard drug tests. Knowing what specific metabolites are tested for can help individuals understand their drug test results better. Here are some of the most commonly detected metabolites:

Opioid Metabolites

Opioids are pain-relieving drugs that are known to be highly addictive. Opioid metabolites are formed when opioids are broken down in the body. The most commonly tested opioids metabolites include:

  • Morphine
  • Codeine
  • Hydrocodone
  • Oxycodone
  • Heroin

Marijuana Metabolites

Marijuana is a commonly used drug that contains delta-9-tetrahydrocannabinol (thc), which is responsible for many of its psychoactive effects. When marijuana is consumed, thc is broken down into more than 80 different metabolites that can be detected in drug tests.

The most commonly tested marijuana metabolites are:

  • Thc-cooh
  • 11-oh-thc
  • Delta-8-thc

Cocaine Metabolites

Cocaine is a powerful stimulant that can be highly addictive. When cocaine is consumed, it is metabolized into different compounds that can be detected in drug tests. The most commonly tested cocaine metabolites include:

  • Benzoylecgonine
  • Cocaethylene
  • Ecgonine methyl ester

Amphetamines And Methamphetamines Metabolites

Amphetamines and methamphetamines are stimulant drugs that are commonly abused. When these drugs are consumed, they are metabolized into different compounds that can be detected in drug tests. The most commonly tested amphetamines and methamphetamines metabolites include:

  • Amphetamine
  • Methamphetamine
  • Mdma (ecstasy)

Benzodiazepines Metabolites

Benzodiazepines are a class of drugs that are commonly used as sedatives and tranquilizers. When benzodiazepines are consumed, they are metabolized into different compounds that can be detected in drug tests. The most commonly tested benzodiazepines metabolites include:

  • Oxazepam
  • Nordiazepam
  • Temazepam

Knowing what metabolites are tested for in drug tests can help individuals understand their drug test results better. It’s essential to note that the detection window for each metabolite can vary depending on factors such as the drug’s frequency and the individual’s metabolism.

Ultimately, moderation is the key to avoiding positive drug test results.

The Time Span Of Metabolites In Your Body

Half-Life And Time Span Of Metabolites

A metabolite is a substance resulting from metabolism or chemical changes occurring in the body, causing drug traces to remain detectable for varying durations depending on the type of drug consumed and the individual’s body. Half-life refers to the time it takes for half of the drug to be eliminated from the body.

  • Half-lives of drug metabolites vary from a few hours to several days.
  • Some metabolites, such as benzodiazepines, have long half-lives, allowing them to remain in the body for weeks.
  • Drugs like opiates have short half-lives; their metabolites can be detected in urine for 2-4 days.

Duration Of Drug Detection On Different Types Of Drug Tests

Drug tests are used to detect the presence of drug metabolites in the body. Different types of drug tests have different detection windows.

  • Urine tests are the most frequently used to detect drug use since most drugs are excreted in a concentrated form in the urine, and they are reliable for up to 30 days after use.
  • Blood tests can detect drugs in the system for only a few hours to a few days.
  • Hair tests can detect drug use months after consumption, varying according to the length of hair being tested.

Factors That Affect Drug Metabolism Rate

Drug metabolism varies between individuals based on various factors, including genetics, age, and health.

  • Genetics play a critical role in drug metabolism, and individual variations can increase or decrease the rate at which drugs are cleared from the body.
  • Liver and kidney health also play a role in drug metabolism; poor liver or kidney function can impair the metabolic process, increasing drug elimination times.
  • Age can affect drug metabolism, particularly in the elderly, whose metabolic rates are decreased.

Understanding how long metabolites remain in your body is important when anticipating drug test results. Knowing how to maintain good liver and kidney health can assist in hastening drug elimination times. Also, genetic variations and other associated health factors can affect the rate at which drugs are metabolized, and receiving advice from a healthcare provider on reducing drug elimination times is vital.

How To Pass A Drug Test

What Is Met On A Drug Test: Know Your Results

If you’re concerned about passing a drug test, it’s essential to understand how drug testing works. Many employers and organizations require drug testing to ensure a safe and drug-free workplace. A drug test aims to detect illegal or prescription drugs in your system, and if they do, you’ll likely fail the test.

The substance that drug testing screens for is called metabolites, or “met” for short. Metabolites are broken down from the drugs you take, and the body excretes them.

Abstaining From Drugs

The easiest and most effective way to pass a drug test is to abstain from drug use. This method is ideal for individuals who don’t have a drug addiction and need to pass a drug test for a job or other requirement.

Abstaining from drugs is also free, legal, and morally acceptable. Here are a few tips to help you stay drug-free:

  • Eliminate any drug paraphernalia
  • Stay away from people who use drugs
  • Keep yourself occupied with healthy activities

Natural Detox Methods

Suppose you’ve taken drugs and have a drug test scheduled shortly. Natural detoxification methods are available to help eliminate the metabolites in your body. These methods are ideal for people who want an affordable and natural way to cleanse their system.

These detox methods can include:

  • Drinking water
  • Exercising frequently
  • Adding fiber-rich foods to your diet

Synthetic Urine And Detox Products

Using synthetic urine and detox products are options that people may turn to when natural detox methods and abstaining from drugs are not feasible. Synthetic urine is an artificial urine product that contains all the necessary ingredients, mimicking natural urine.

On the other hand, detox drinks and pills are designed to help mask drugs in your system during drug testing. However, there are some risks associated with using these products that you should consider before using them.

Legal Considerations And Moral Issues

While passing a drug test may be essential, several legal and moral considerations should be made, depending on why you’re taking the drug test. For example, if you’re taking a drug test for employment purposes, the legality of drug testing in your state and your rights as an employee should be understood.

Additionally, some people may choose not to take a drug test for moral reasons, such as personal privacy and an invasion of personal space.

Knowing your options for passing a drug test is critical in today’s workforce. If you’re someone concerned about drug use and tests, there are several methods you can use to cleanse your body of metabolites, including natural detox methods, abstaining from drugs, synthetic urine products, and detox drinks/pills.

Regardless of which method you choose, you should consider the legal and moral implications and act accordingly.

Frequently Asked Questions For What Is Met On A Drug Test

What Drugs Does Met Test For?

Met, or methamphetamine, shows up on drug tests that check for amphetamines. These tests are frequently used for drug screening in the workplace, among other settings.

How Long Does Met Stay In Your System For A Drug Test?

Methamphetamine, or met, can be detected in urine for up to 3-5 days after last use. However, it can be detected in hair for up to 90 days, depending on hair length and growth rate.

Can Taking Other Medications Cause A False Positive For Met On A Drug Test?

Certain prescription and over-the-counter drugs can give a false positive on a met drug test. These include cold medicines containing ephedrine, pseudoephedrine, or phenylephrine; and certain antidepressants.

How Accurate Are Met Drug Tests?

Drug tests for met are highly accurate when administered and analyzed correctly. False positives can occur, but these are typically caused by certain medications or other factors.

Are At-Home Met Drug Tests Reliable?

At-home drug tests for met are generally reliable, but accuracy can depend on factors such as the quality of the test kit and correct usage. It’s always best to confirm results with a professional lab test.

Can A Previous Dose Of Met Cause A Positive Drug Test?

Yes, a previous dose of met can cause a positive drug test if the test is done within the detection window. Once met enters the body, it metabolizes into other compounds, including amphetamine. The drug test usually screens for amphetamine, so the result can be positive even if only meth was taken.


Met is a common result found in drug tests that can indicate the use of various drugs. While legal prescriptions of certain medications may contain met, it is important to disclose any medication use to an employer or testing facility beforehand.

If a test result shows met due to illegal drug use, consequences may vary depending on the situation and employer policies. It is crucial to understand the risks involved in drug use and the potential impact it can have on one’s career and reputation.

Whether using drugs for recreation or as a coping mechanism, seeking help and resources is always a viable option. It is important to prioritize physical and mental health, safety, and well-being in all aspects of life, including drug use and testing.

By being informed and making responsible choices, individuals can minimize the risks associated with drug use and promote a healthier lifestyle.


Leave a Reply

Avatar placeholder

Your email address will not be published. Required fields are marked *