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Recall data is sourced from official U.S. government agencies (CPSC, FDA, NHTSA, USDA) and processed using AI to improve readability. This site is not affiliated with or endorsed by any government agency. Always refer to the original agency notice for authoritative information.

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Medium RiskFDA Device
Medical Devices/Diagnostic Equipment

STA Liatest Free Protein S Kits Recalled for Inaccurate Test Results

Agency Publication Date: March 3, 2026
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Summary

Diagnostica Stago, Inc. has recalled 369 units of its STA Liatest Free Protein S kits because they may underestimate free protein S levels in normal patient blood samples. These kits are diagnostic tools used in laboratories to measure protein S levels using specialized instruments. Because the defect specifically affects results in the normal range, it could lead to incorrect medical assessments, although the company is voluntarily initiating this correction to address the out-of-range findings.

Risk

The defect causes an underestimation of protein S levels in patients who actually have normal levels, which could lead to a false clinical picture. No specific patient injuries or incidents have been reported in the provided data.

What You Should Do

  1. Identify if your laboratory has STA Liatest Free Protein S kits (Model/Catalog Number 00516).
  2. Check the packaging for lot numbers 271 971, 272 859, 273 018, or 273 426.
  3. Stop using the recalled product.
  4. Contact the manufacturer or your distributor to arrange return, replacement, or correction.
  5. Call the FDA at 1-888-463-6332 (1-888-INFO-FDA) or visit www.fda.gov/medical-devices/medical-device-recalls for additional information.

Your Remedy Options

📋Other Action
How to: Stop using the recalled product. Contact the manufacturer or your distributor to arrange return, replacement, or correction.

Affected Products

Product: STA Liatest Free Protein S
Model / REF:
00516
Lot Numbers:
271 971
272 859
273 018
273 426
UDI:
03607450005165

Intended for use on STA-R and STA Compact instruments for quantitative antigenic assay of free protein S in human citrated plasma.

Additional Information

Agency: Food and Drug Administration (FDA)
Event ID: 98394
Status: Active
Manufacturer: Diagnostica Stago, Inc.
Sold By: Direct distribution to laboratories and healthcare facilities
Manufactured In: United States
Units Affected: 369
Distributed To: Arizona, California, Colorado, Florida, Georgia, Hawaii, Illinois, Kentucky, Michigan, Minnesota, Missouri, Montana, North Carolina, North Dakota, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Texas, Utah, Virginia, Washington

Were You Affected by This Recall?

If you or a family member were harmed by this recalled product, you may have legal rights. Consider consulting a consumer protection attorney to understand your options for compensation.

Find an Attorney

This is general information, not legal advice. Go Backs is not a law firm and does not provide legal services.

AI-Enhanced Content: The summary, action steps, and risk assessment on this page were generated by AI from official government recall data to improve readability. This is not legal or medical advice. Always refer to the official agency sources below for authoritative information.

Sources: FDA iRES · Raw API Response

openFDA Disclaimer: This recall information is sourced from the openFDA API. Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. Refer to the openFDA terms of service for more information.