Class III — Low Risk

Low risk — use of or exposure to this product is not likely to cause adverse health consequences.

The Enzyme II Calibrator is an in vitro diagnostic product Recalled by Siemens Healthcare Diagnostics, Inc. Due to Complaints of positive shift of patient and QC...

Date: May 5, 2016
Company: Siemens Healthcare Diagnostics, Inc.
Status: Terminated
Source: FDA (Device)

What You Should Do

Stop using this product immediately. Do not consume, use, or distribute it.

Return the product to the place of purchase for a full refund. If you have questions, contact Siemens Healthcare Diagnostics, Inc. directly.

Affected Products

The Enzyme II Calibrator is an in vitro diagnostic product for the Alanine Aminotransferase (ALTI) on the Dimension¿ clinical chemistry system. For prescription use only.

Quantity: 24,940.00

Why Was This Recalled?

Complaints of positive shift of patient and QC results when the ALTI assay is calibrated with the Dimension Enzyme II calibrator. Internal investigation has confirmed that patient samples and QC material demonstrate a shift of up to 10% in comparison to results obtained using earlier calibrator lots.

Where Was This Sold?

Distributed throughout the United States

About Siemens Healthcare Diagnostics, Inc.

Siemens Healthcare Diagnostics, Inc. has 452 total recalls tracked by RecallDetector.

Related Recalls

Data sourced from the FDA (Device). Last updated March 26, 2026. View original report