Siemens ADVIA Centaur Systems HBc Total (HBcT), Reagent. For In Vitro Diagnostic Use Catalog Number: 07566733 Siemens Material Number: 10309508 The ADVIA Centaur HBc Total assay is an in vitro diagnostic test for the qualitative determination of total antibodies to the core antigen of the hepatitis B virus (HBc Total) in human serum or plasma (potassium EDTA, or lithium or sodium heparinized) using the ADVIA Centaur and ADVIA Centaur XP system.

Increased imprecision and positive bias is observed with patient samples and negative controls and can result in an increase in initial reactive results.

Siemens Healthcare issued An Urgent Medical Device Recall (UMDR) sent to all affected Siemens Healthcare Diagnostics customers in the United States on September 15, 2014. An Urgent Field Safety Notice (UFSN) was sent out for distribution to all customers outside the United States on September 15, 2014. These notices inform the customer of the imprecision and positive bias and a potential increase in initial reactive results associated with ADVIA Centaur Systems HBc Total Lot 100064. Customers were instructed to discontinue use of the affected lots and dispose of the product according to local regulations or procedures. The notices should be reviewed with the facility's laboratory or medical director. Each customer will be required to return a completed confirmation fax-back to Siemens.