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How to Preserve Urine for Drug Tests

February 16, 2024 by admin Category: How To

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There are many reasons why you may need to preserve a urine sample for an upcoming drug test. Maybe you ask someone for a clean urine sample to pass the test smoothly. There are also times when you want to store your clean urine sample for later use. Whether it’s conserving your own urine or someone else’s, the sooner you use it, the more accurate the results will be. Store urine in an airtight container and refrigerate or freeze if you do not use it within 1 hour of collection. At a later date, you simply return the urine sample to body temperature for use.

Table of Contents

  • Steps
    • Store urine properly
    • Heating a cold urine sample
  • Warning

Steps

Store urine properly

Image titled Store Urine for a Drug Test Step 1

Image titled Store Urine for a Drug Test Step 1

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Collect samples as close to the test date and time as possible. Urine will begin to oxidize and decompose very quickly after leaving the body, becoming darker and stronger. The longer the urine is outside the environment, the less reliable the drug test will be. [1] X Trusted Source National Health Service (UK) Go to Source

  • For the specimen to look its best, the urine must be clean and warm.
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Image titled Store Urine for a Drug Test Step 2

Image titled Store Urine for a Drug Test Step 2

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Store urine in a glass or plastic jar with a tight-fitting lid. You need to make sure the container is completely airtight so that urine doesn’t spill out. Use plastic bottles for short-term storage and glass bottles for longer-term storage, as other chemicals in the plastic can leach into the urine. [2] X Trusted Source National Health Service (UK) Go to Source

  • You can also place the urine sample vial in a sealed plastic bag for an extra layer of protection.
  • If you plan to store your urine for a long time, label the date on which you collected the sample.
  • Note: the glass may break when the temperature changes suddenly.
Image titled Store Urine for a Drug Test Step 3

Image titled Store Urine for a Drug Test Step 3

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Briefly warm the urine sample with a thermal paste. If you plan to use it within 1 hour of collection, store the urine in a small airtight container (such as a pill bottle). Maintain the temperature of the urine vial with thermal paste. Immediately before sending the specimen for testing, remove the thermal patch to allow urine to return to body temperature. [3] X Research Sources

  • Use an elastic band to secure the thermal paste around the urine vial.
Image titled Store Urine for a Drug Test Step 4

Image titled Store Urine for a Drug Test Step 4

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Refrigerate the urine as soon as possible if you plan to use it after 1 hour. The sooner you chill, the more viable the sample will be. It is best to keep it refrigerated as soon as the sample has been collected, within 30 minutes or more. [4] X Trusted Source National Health Service (UK) Go to Source

  • Use or freeze urine within 1 day of collection.
Image titled Store Urine for a Drug Test Step 5

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Image titled Store Urine for a Drug Test Step 5

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Freeze the urine sample if you plan to use it within 1 year. If the urine sample is not used within 24 hours, it is best to freeze it. Store urine in an airtight container and use within 1 year of collection.

  • There are different opinions on how long it takes to freeze urine to remain usable. In general, the sooner you start using it, the better.
  • You need to make sure that the frozen urine is a clean sample. Urine contains THC, which when frozen increases the concentration. [5] X Research Sources

Heating a cold urine sample

Image titled Store Urine for a Drug Test Step 6

Image titled Store Urine for a Drug Test Step 6

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Thaw urine overnight at room temperature. The best way to bring a urine sample to room temperature is to defrost it naturally. Microwave heating can damage the urine sample and make it unusable.

  • You must use the sample within 1 day of thawing.
Image titled Store Urine for a Drug Test Step 7

Image titled Store Urine for a Drug Test Step 7

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Use a hot pack, microwave, or heat patch to warm your urine. Once the sample has reached room temperature, you need to continue to raise it to body temperature or even higher. Wrap the sample vial in a hot pack or thermal paste, or microwave it for about 10 seconds. If you are using a microwave oven, it is better to keep the urine container in the heat seal to maintain a warm temperature during transportation. [6] X Research Sources

  • Ideally, make the sample vial slightly warmer than body temperature to avoid the loss of urine that will cool during the time you take the test.
  • Image titled Store Urine for a Drug Test Step 8

    Image titled Store Urine for a Drug Test Step 8

    {“smallUrl”:”https://www.wikihow.com/images_en/thumb/6/6f/Store-Urine-for-a-Drug-Test-Step-8.jpg/v4-728px-Store-Urine- for-a-Drug-Test-Step-8.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/6/6f/Store-Urine-for-a-Drug-Test- Step-8.jpg/v4-728px-Store-Urine-for-a-Drug-Test-Step-8.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
    Carry a urine sample with you before use. Carrying the urine container with you will help maintain the sample temperature as close to body temperature as possible. The accepted temperature range for urine samples is about 32 – 38°C. [7] X Research Sources

    • Try to hold the urine sample somewhere in your lower body, such as your thighs.
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  • Warning

    • Note: it is illegal to provide a fake urine sample. Only do this if you have no other choice. [8] X Research Sources
    • If the tester doubts the authenticity of the sample, you will probably have to conduct sampling under direct supervision. [9] X Research Source
    X

    This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.

    The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

    This article has been viewed 2,869 times.

    There are many reasons why you may need to preserve a urine sample for an upcoming drug test. Maybe you ask someone for a clean urine sample to pass the test smoothly. There are also times when you want to store your clean urine sample for later use. Whether it’s conserving your own urine or someone else’s, the sooner you use it, the more accurate the results will be. Store urine in an airtight container and refrigerate or freeze if you do not use it within 1 hour of collection. At a later date, you simply return the urine sample to body temperature for use.

    Thank you for reading this post How to Preserve Urine for Drug Tests at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

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