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Old 01-17-2012
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Default is there CB in blood and urine in normal & hemolysis conditions

Goljan RRP page 360: causes of jaundice,it shows serum CB<20%, kidney CB=0.
1. How could there be CB in the blood under normal condition and in hemolysis? Goljan also wrote: "CB is never a normal finding in urine because it does not contact blood in its metabolism" (same page, first paragraph below the box).
2. CB is water soluble and does not bind albumin and is small enough, so if CB is present in serum ( even as small as <20% ) it should be present in urine as well? Why is it not?
Plz help.
Many thanks.
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