Dimension Vista(R) Systems Vista(R) Theophylline THEO Flex(R) Regent Cartridge (K4071) The THEO method is an in vitro diagnostic test for the quantitative measurement of Theophylline in human serum and plasma on the Dimension Vista(R) system.

Class I - Dangerous

What Should You Do?

  1. Check if you have this product:
    Lots 12135AE and 12171BB
  2. Do not eat it: Even if it looks and smells fine, do not consume this product.
  3. Throw it away or return it: You can return the product to the store for a full refund.
  4. Seek medical attention if needed: If you've consumed this product and feel unwell, contact your doctor immediately.
  5. Report problems: Report any issues to the FDA's Safety Reporting Portal.

⚠️ Emergency: If you experience severe symptoms after consuming this product, call 911 or Poison Control at 1-800-222-1222.

Recall Details

Company:
Siemens Healthcare Diagnostics, Inc.
Reason for Recall:
Firm has received complaints from customers of "Abnormal Reaction" errors occurring on calibrations, QC and patient samples. The Abnormal Reaction flag is being triggered by an internal check in the method for atypical particle reagent aggregation.
Classification:
Class I - Dangerous

Dangerous or defective products that predictably could cause serious health problems or death.

Status:
terminated

Product Information

Full Description:

Dimension Vista(R) Systems Vista(R) Theophylline THEO Flex(R) Regent Cartridge (K4071) The THEO method is an in vitro diagnostic test for the quantitative measurement of Theophylline in human serum and plasma on the Dimension Vista(R) system.

Product Codes/Lot Numbers:

Lots 12135AE and 12171BB

Official Source

Always verify recall information with the official FDA source:

View on FDA.gov

FDA Recall Number: Z-0408-2013

Related Recalls

The barcode orientation on affected devices causes incorrect scanning order of tubes within the allergen holder wedge. When using an IMMULITE 2000 / IMMULITE 2000 XPi instrument in combination with a Zebra barcode scanner, the instrument will not correctly recognize the position of tubes within the allergen holder wedge.

Oct 6, 2025 Other Medical Devices Nationwide View Details →

The barcode orientation on affected devices causes incorrect scanning order of tubes within the allergen holder wedge. When using an IMMULITE 2000 / IMMULITE 2000 XPi instrument in combination with a Zebra barcode scanner, the instrument will not correctly recognize the position of tubes within the allergen holder wedge.

Oct 6, 2025 Infusion Pumps Nationwide View Details →

The barcode orientation on affected devices causes incorrect scanning order of tubes within the allergen holder wedge. When using an IMMULITE 2000 / IMMULITE 2000 XPi instrument in combination with a Zebra barcode scanner, the instrument will not correctly recognize the position of tubes within the allergen holder wedge.

Oct 6, 2025 Other Medical Devices Nationwide View Details →