Guest guest Posted January 2, 2007 Report Share Posted January 2, 2007 Hi everyone, I just received my 5 yr old son's urine porphyrin test results. In the interpretation, it says new urine (second urine in the morning) need for free control. Does this mean the test is invalid and I have to send new urine specimen? Thanks, Jen __________________________________________________ Quote Link to comment Share on other sites More sharing options...
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