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Tan EDTA for CBC


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Is the only difference between tan & lavender EDTA tubes that tan tubes are lead free?  They're both K2 EDTA.  What about the concentration of EDTA, or liquid vs. dry? Occasionally our phlebotomists will draw only a tan EDTA tube for lead testing, missing the lavender for the CBC. I would love to run a CBC off the tan in when the lavender is missed.  How would that skew the results?  I don't have the resources to validate CBCs on tan tops. Thanks,


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