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Type of Product Medical Device
TGA Recall Reference RC-2016-RN-00332-1
Product Name/Description Methotrexate Assay performed on Syva Emit Methotrexate Application (DVMTX.1) for the Dimension Vista System. An in vitro diagnostic medical device (IVD)

Catalogue Number: 6L119UL
Siemens Material Number (SMN): 10445368
All lot numbers affected

ARTG Number: 182220
Recall Action Level Hospital
Recall Action Classification Class II
Recall Action Commencement Date 21/03/2016
Responsible Entity Siemens Healthcare Pty Ltd
Reason/Issue Siemens has identified that the Syva Emit Methotrexate Application for the Dimension Vista System does not meet the on-board stability claim of 20 hours. Internal testing using reagent at the end of the 20 hour on-board stability has shown that values of methotrexate for patient and quality control samples increased.
The observed bias for patient and QC samples measured within the first 4 hours of the On-Board Stability was < 10%.
If users have run methotrexate patient samples and QC in batch, QC can detect the issue. The risk to health as a result of this issue is limited to patient samples that are not run with Quality Control once reagents have been on-board the instrument for >4 hours. When this issue occurs, the potential exists to report falsely elevated methotrexate concentrations and to consider adjustment of folinic acid administration.
Recall Action Recall for Product Correction
Recall Action Instructions Siemens is recommending that laboratories retest methotrexate samples that were run within the previous 24 hours where the following criteria are met: (1) Samples were run without Quality Control >4 hours after reagent was loaded on the instrument, and (2) Samples are within the specified storage conditions and time. Siemens is withdrawing the Emit Methotrexate Application on the Vista system and can advise users of alternative testing methods for methotrexate. Siemens is recommending users change the On-board stability for the methotrexate application to four hours, or run in batch mode with QC. This action has been closed-out on 16/05/2017.
Contact Information 1800 310 300 - Siemens Technical Support Centre