Beasley, Allen, Crow, Methvin, Portis & Miles, P.C.

The blood thinner heparin will now include a new reference standard and test method that is used to determine the potency of the drug and detect impurities that may be present in it, according to a safety alert issued by the Food and Drug Administration (FDA). The change is effective as of October 1, 2009, and will harmonize the USP unit dose with the WHO International Standard unit does, which will result in an approximately 10 percent reduction in the potency of the heparin marketed in the United States.

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