Josh asked in HealthOther - Health · 2 months ago

How long does marijuana take to get out of your blood, for a blood test?

6 Answers

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  • 2 months ago

    At the least 30 days.

  • 2 months ago

    Is it a blood test to detect drugs? It takes a month or more to get marijuana out of your system from the date of last use. But if you're going for a routine drug blood test to determine cholesterol and liver enzymes and etcetera etcetera they're not going to be checking it for drugs that's not the purpose of a blood test. that is unless you have parents that have told the doctor hey I want to know if my child is using drugs.

  • Marc
    Lv 7
    2 months ago

    If you were a regular user it will take 30 days. If not a frequent user then it will take less....3 weeks or so

  • 2 months ago

    Can be up to a month before previous use is no longer detectable.

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  • 2 months ago

    It probably depends upon the fat stores in your body

  • Anonymous
    2 months ago

    usually between 1 to 3 months, depending on how heavy of a user you are. A single use may be undetectable within 2-3 weeks.

    Unless they test hair. Hair can show positive results for as long as it's been on your head.

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