Bio-Rad Laboratories Bio-Rad's Monolisa (TM) Anti-HBs EIA test kit, Labeled as, "MONOLISA TM Anti-HBs EIA 25220; MONOLISA TM Anti-HBs Calibrator Kit 25219... Bio-Rad Laboratories Redmond, WA 98052" For the qualitative detection of antibody to Hepatitis B Surface Antigen (anti-HBs) in Human Serum and EDTA or citrated plasma. Recall

Check Your Product

According to the U.S. Food and Drug Administration (FDA)

Reason for Recall

As stated by FDA

The package insert provided with this kit contains a typographical error, giving incorrect directions to prepare a Working Conjugate Solution. If these directions are followed, it would result in a 1:6 dilution and invalidate the assay.

Recommended Action

Per FDA guidance

All domestic customers were notified via an Urgent Product Correction customer letter sent by DHL or FedEx on 8/11/08. Enclosed with the letter was a corrected package insert. The Canadian subsidiary was notified via e-mail on 8/11/08. The letter advised customers of the correct wording, and advised that a new corrected package insert was enclosed and to make note of the correction in the laboratory procedures. Questions should be directed to Bio-Rad Laboratories Technical Support at 1-800-224-6723.