Customer reported two (2) potential false negative urine hcg results on one (1) patient, using the sp brand rapid test hcg cassette.The quantitative beta-hcg result was 56,000 miu/ml.The following was reported: -internal control line evident, background clear.-biorad qc performed on each shipment, resulted ok.-kit stored at room temperature.-verified technique: customer stated staff follows package insert (pi).-freshly voided sample.-pouch opened just prior to testing.-urinalysis result turbid (sample not spun or allowed to settle).-age of patient: (b)(6).-lmp: unknown.-renal dysfunction: unknown.-no lot number provided.Sample discarded, unavailable to submit for investigation.There was no reported adverse patient sequela.There was no additional information provided.
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Lot number: though requested, the lot number was not provided, as customer uses many boxes at a time.Investigation/conclusion: the urine sample was discarded and the lot number was not provided; therefore, further investigation cannot be pursued.
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