Caller reported false negative urine hcg result with cardinal health rapid test hcg combo vs.Ct scan and serum test confirming pregnancy.On (b)(6) 2016 a (b)(6) female presented to the er with left lower quadrant pain lasting once hour.The patient's last menstrual period was (b)(6) 2016.A urine sample was tested with cardinal health rapid test hcg combo test and gave a negative result.The patient went for a ct scan which demonstrated a 'fetus'.The same urine sample was taken to the lab for testing and tested negative with cardinal health rapid test hcg combo kit.A blood sample was taken in the er and tested positive with a serum test and also gave a quantitative result of 11,583 miu/ml.Patient was discharged from the er on (b)(6) 2016.
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