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Type of Product Medical Device
TGA Recall Reference RC-2017-RN-01350-1
Product Name/Description Various Dimension and Dimension Vista LOCI Assays. An in vitro diagnostic medical device (IVD)

Thyroid Stimulating Hormone (TSHL)
LOCI Free Thyroxine (FT4L)
Thyroid Stimulating Hormone (TSH)
Cardiac Troponin I (CTNI)
Mass creatine kinase MB isoenzyme (MMB)
Sirolimus (SIRO)

Multiple Catalogue Numbers and SMNs (see attached)

All Lots (including all future lots until the IFU is updated)

ARTG Numbers: 182774, 182220, 180109 & 181687
Recall Action Level Hospital
Recall Action Classification Class II
Recall Action Commencement Date 24/10/2017
Responsible Entity Siemens Healthcare Pty Ltd
Reason/Issue In March 2017, Siemens Healthcare issued an Urgent Recall for Product Correction VC 17-04 (TGA Ref: RC-2017-RN-00458-1) regarding incorrect units for biotin listed in the Non-Interfering Substances section of select Instructions for Use in Dimension and Dimension Vista assays.

The ongoing investigation by Siemens has identified the following new information regarding biotin interference:

1. Biotin interference limits are incorrectly listed in the Instructions for Use (IFU) for the affected assays. These concentrations of biotin can potentially result in interference >10%; and

2. The Dimension Vista CTNI, MMB, and Dimension SIRO method IFUs do not contain biotin interference information. Concentrations of biotin can potentially result in interference >10%.

Siemens is continuing to investigate biotin interference with our assays and more information will be forthcoming. The probability of misinterpretation of results due to this issue is unlikely.
Recall Action Recall for Product Correction
Recall Action Instructions Siemens is advising users of the correct biotin interference levels for the affected assays. A lookback of previously generated results is not recommended.

This action has been closed out on 21/02/2019
Contact Information 1800 310 300 - Siemens Technical Support Centre