A 19-year-old female asked:
I'm getting a blood test to check vitamin levels on the 9th. i smoked thc today. will it show up in the blood test?
2 doctor answers • 4 doctors weighed in
Internal Medicine 61 years experience
If the tests ordered on your lab work requisition did not request a toxic screen only the desired vitamin levels will be measured. However, to he sure fasting and no smoking before blood work is the best policy.
Reviewed Mar 07, 2021
Pathology 49 years experience
Answered Mar 07, 2021
Last updated Mar 7, 2021
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