Lab Test : Urine Blood Screen

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Includes:Dipstick for blood in urine
Phone:(937) 641-3430
Available:Daily, 24 hours
Turnaround:Routine 3 hours, STAT 30 minutes
Volume:0.5 mL
Container:Clean plain urine container, with secure lid
Temperature:If delayed over 30 minutes, refrigerate.
Rejection:Non-clean container
Uses:Detection of microhematuria, hematuria, hemoglobinuria, or erythrocyturia.
Limitations:Dipstick method will detect myogloblin and hemoglobin. Iodine solutions in urine, or applied to patient's skin, can cause false positives. The sensitivity of the test is reduced in urines with elevated ascorbic acid. Certain oxidizing contaminants such as hypochlorite may produce false results. Microbial peroxidase, associated with urinary tract infection, may cause a false positive. Substances that cause abnormal urine color, such as drugs containing azo dyes (e.g. Pyridium) may affect the readability of the reagent areas on the urinalysis reagent strips Large amount of nitrites may delay the reaction.

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