Catalog Number 423834 |
Device Problem
False Negative Result (1225)
|
Patient Problem
No Known Impact Or Consequence To Patient (2692)
|
Event Type
malfunction
|
Event Description
|
A customer in (b)(6) notified biomérieux of obtaining a false negative result for a patient¿s sample when using vidas® sars-cov-2 igg (9cog) 60t (ref.423834, lot 1008142160 expiry 11 jun 2021) on their minividas instrument, serial number (b)(4).The customer reported that they observed a false negative vidas sars-cov-2 igg result with one patient sample in comparison with another method, roche, eclia, sars-cov-2 ab (polyvalent, iga, igm and igg).The customer performed their last calibration on (b)(6) 2020 and it was valid as follows : s1 : 152 rfv(mean) - mle range (s1 : 86 ¿ 186 rfv).C1: 3.24 result positive ¿ mle range (c1: 1.90 - 5.00).C2: -0.03 result negative.The customer reported that they obtained on (b)(6) 2020 the following result on the patient sample : 0.89 result negative.There is no indication or report from the customer that this incident have led to any adverse event related to the patient's state of health.A biomérieux internal investigation has been initiated.Note: reference 423834 is not sold or distributed in the united states.However, u.S-only product reference, 423834-01, has the same formulation and physical properties as reference 423834.
|
|
Manufacturer Narrative
|
This report was initially submitted following notification from a customer in (b)(6) regarding a false negative result for a patient¿s sample when using vidas® sars-cov-2 igg (9cog) 60t (ref.423834, lot 1008142160, expiry 11jun2021) on their minividas serial number (b)(4).The patient sample was not available for submission to perform investigational testing.No anomalies were identified during the manufacturing, quality control, and packaging processes on vidas® sars-cov-2 igg (9cog) 60t (ref.423834, lot 1008142160).The control cards analysis of four (4) internal samples showed that the customer's lot conformed to the specifications, and was in the trend of the other lots.The complaints laboratory tested three (3) positive internal samples and one (1) negative internal sample on the retain kit of the customer¿s lot.The sample results complied with the expected specifications.The customer¿s false negative result was not reproduced by the complaints lab.Without the patient sample, it is not possible to pursue further investigation and explain the result observed by the customer.Per the investigation, vidas® sars-cov-2 igg ref.423834 lot 1008142160 / 210611-0 is still within specifications.
|
|
Search Alerts/Recalls
|
|