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On my lab work, one test said "HEMOGLOBIN UR: 2+". Can you tell me what this indicates? I was on last day of period but didn't see blood in urine cup.
If period blood that contains THC gets mixed up inside clean drug free urine, would a drug test become positive?
When you take a urine sample for a urine analysis. Can the lab or doctor tell the difference between period blood and other types of blood?
My aunt is currently on urine drug screens and she used someone elses clean urine mixed with a few drops of her own dirty urine. Will it show on a lab test? Or will it make the drug metabolites below the cutoff level?
I took a drug test, but was on my 1st day of period, so blood mixed in urine, will it affect the results?
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