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  • 1.  Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 09-08-2025 10:42
    I work at a clinic and rural facility which purchased unwrapped syringes for blood draws. I was taught that once a syringe is opened that the time limit was thirty  minutes. Would  appreciate feedback. 

    Rita Fisk, Medical Technologist

    715-483-0433 ext 1533

    Fax 715-4830294

    rita.fisk@scrmc.org

    Laboratory

    St. Croix Regional Medical Center



  • 2.  RE: Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 09-09-2025 08:55
    I would say that unwrapped syringes are not suitable for blood draws if that is the way they are purchased you should not use them. Non sterile syringes can be contaminated with bacteria and can affect results. 

    Don't use them!

    Robert Hale M.A., MT(AAB)





  • 3.  RE: Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 09-10-2025 01:44
    The CDC, WHO, and clinical laboratories mandate that all syringes and needles used for blood collection must be sterile and should not be handled or exposed prior to patient contact, as contamination risk rises even from minimal environmental exposure.

    Link to WHO guidelines:




    Original Message


  • 4.  RE: Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 09-10-2025 06:26

    Once the package is opened or sterility is compromised, the syringe must be used immediately and discarded. Saying that, the "30-minute rule" sometimes applies to compounded sterile preparations (IV medications, certain multidose vials without preservative), but it does not apply to syringes. The following CDC page is a good source of information. Best,

    Preventing Unsafe Injection Practices

     



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    Payman Nasr, PhD, MT ASCP
    Professor and Chair
    California State University, Dominguez Hills
    Carson, CA 90747
    310-243-3082
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    Original Message


  • 5.  RE: Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 09-11-2025 06:58

    Nice discussion

    Use the syringe immediately after unwrapping and dispose it off correctly after use.

    Moses Muriuki

    Med-lab technologist



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    Moses Muriuki Technologist/Scientist, non-supervisor (CT,MLS,MT)

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    Original Message


  • 6.  RE: Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 09-11-2025 09:59
    Edited by Helen Risser 09-11-2025 09:59

    Do you know who places orders in your system? If it's not a lab person, they might be thinking in terms of supply cost without recognizing why we need sterile supplies. If you feel safe doing so, I would bring this up with your lab's management as a patient safety issue.



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    Helen Risser, MLS(ASCP)

    Minneapolis, MN
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  • 7.  RE: Once the wrapper is opened, how long is the syringe considered okay to use?

    Posted 12-01-2025 22:15

    Once the sterile wrapper of a syringe is opened, it should be used immediately. An opened package exposes the syringe to potential contaminants, which means sterility can no longer be assured. For patient safety, syringes are considered single‑use devices, therefore it is best to open only when ready to use. According to the CDC, WHO, and clinical laboratories guidelines once the package is opened, the syringe should be used immediately and then discarded properly.



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    Krystal Medina
    El Paso TX
    (915)227-5055
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