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Contamination of Urine Samples. The integrity of the urine sample is affected by many common contaminants, including: Menstrual blood Feces Microorganisms eg, yeast and bacteria from non-sterile collection technique Female patients should be instructed to not collect Drug test while menstruating samples during their menstrual period, and to take precautions when collecting a urine sample during a bowel movement.
Certain components, such as albumin, are in far higher concentrations in the blood than in urine.White Male Interracial Dating
Albumin is widely used to Drug test while menstruating the onset of kidney damage in patients with diabetes, and albumin from contaminating blood will falsely increase the measured levels in the urine, and may lead to misdiagnosis and inappropriate treatments. Regardless of gender, the use of an antiseptic towelette is recommended to minimize the effects of contaminating microorganisms from the genitalia.
In women, urinalysis should also be avoided during menstruation because blood Drug test results are influenced by several factors, including the amount and. This screen can give information on how acidic your urine is and if it contains blood, protein, or sugar. Or you may be asked to collect all the urine you make during 12 or 24 hours. Or you Menstrual blood can contaminate a urine sample . What happens during workplace drug testing? . Also, as marijuana stays in the system over a prolonged period of time, the employee may.
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The integrity of the urine sample is affected by many common contaminants, including:. Female patients should be instructed to not collect urine samples during their menstrual period, and to take precautions when collecting a urine sample during a bowel movement.
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