The customer received a questionable free psa result for one patient sample.The specific date of testing was not provided.The free psa result was 5.20 ng/ml and total psa result was 0.77 ng/ml.The results were reported outside the laboratory.No adverse event was reported.The free psa reagent lot number and expiration date were requested, but were not provided.A specific root cause could not be identified.Additional information for further investigation was requested but was not provided.No sample from the patient could be provided for further investigation.
|