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A member asked:
My complement total (ch50) was elevated in july. four months later, it was low (33). what can cause this?
A doctor has provided 1 answer
It fluctuates: These levels vary tremendously with minor illness, even little viral stuff that you don't know you have. And reference ranges are set so that a few percent of healthies fall outside on either end. These labs are only small pieces in diagnostic puzzles.
Answered 12/17/2016
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