On (b)(6) 2017, the customer performed a cardinal health rapid test hcg combo test on patient serum sample and received negative result at read time.The test yielded a (b)(6) result "several seconds" after the appropriate read time, but the result was reported as negative.The test was performed because the patient was to undergo an abdominal cat scan for abdominal pain.The patient was reported as having renal failure and was on dialysis.The cat scan was performed following the (b)(6) cardinal health rapid test hcg combo result.A beta quant was performed on the vista 1500 using the same serum sample and yielded an hcg result of 45 miu/ml (the (b)(6) range for this instrument as provided by the customer is 0-3 miu/ml).Although the beta quant provided a (b)(6) hcg result, the customer stated it is not certain that the patient is pregnant.On (b)(6) 2017, a second beta quant was performed using the vista 1500 and yielded an hcg result of 23 miu/ml.The customer noted that the hcg titer was not increasing.An ultrasound was not performed on the patient.No additional information was provided.
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