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Tri-level For use with qualitative hCG serum tests. Professional use only.Positive hCG at approx. 250mIU/mL w/ preservatives. Low Positive hCG at approx. 25mIU/mL w/ preservatives. Negative hCG at no detectable level of hCG w/ preservatives.3 x 5ml per packhCG urine and serum controls intended for use with qualitative hCG test procedures. These controls are for professional use only and are not for oral intake.


