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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.
Steps
Store urine properly
- For the specimen to look its best, the urine must be clean and warm.
- 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.
- Use an elastic band to secure the thermal paste around the urine vial.
- Use or freeze urine within 1 day 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
- You must use the sample within 1 day of thawing.
- 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.
- Try to hold the urine sample somewhere in your lower body, such as your thighs.
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
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.
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