Open, Classified

STA-Liquid Anti-Xa 4. Model/Catalog Number: 00311US. The STA - Liquid Anti-Xa kits are intended for use with STA-R, STA Compact and STA Satellite analyzers, for the quantitative determination of the plasma levels of unfractionated (UFH) and low molecular weight (LMWH) heparins by measuring their anti-Xa activity on antithrombin in a competitive assay using a synthetic chromogenic substrate.

FDA Recall Z-2474-2025 · Posted 2025-08-28

Recalling FirmDiagnostica Stago, Inc.

Recall StatusOpen, Classified

Product CodeKFF

Date Initiated2025-07-21

Product Quantity116,600 units (114,600 US)

Reason for Recall

Potential for contamination of STA-LIQUID ANTI-Xa by Stago Fibrinogen reagents in UFH and LMWH applications.

Firm Action

Diagnostica Stago notified consignees on about 07/21/2025 via emailed letter titled URGENT: MEDICAL DEVICE RECALL (CORRECTION). Consignees were instructed to temporarily systematically run a quality control just before a batch of UFH or LMWH, if you run STA-LIQUID ANTI-Xa in UFH and LMWH applications on your STA SATELLITE analyzer. This request is being asked while Stago works to develop a permanent solution for the analyzer. Consignees were also requested to complete and return the Acknowledgement Form and to notify customers if affected units were transferred or further distributed.

Root Cause

Mixed-up of materials/components

Distribution Pattern

Worldwide - US Nationwide distribution in the states of AL, AZ, CA, CO, FL, GA, LA, MD, ME, MN, MO, MT, NC, OH, OK, OR, PA, PR, SD, VT, WI, WY and the countries of Algeria, Argentina, Austria, Brazil, Bulgaria, Canada, Chile, Colombia, Costa Rica, France, French Polynesie, Guadeloupe, India, Iran, Israel, Jordan, Korea, Kuwait, Lebanon, Malaysia, Mexico, Morocco, Netherlands, Oman, Paraguay, Peru, Republique Tcheque, Romania, Saudi Arabia, Serbia, South Africa, Switzerland, Taiwan, Thailand, Tunisia, Turquie, United Arab Emirates, Uruguay, Vietnam.

Related FDA 510(k) Records

Devices referenced by this recall via K-numbers.

K111822STA(R) - LIQUID ANTI-XA, MULTI HEP CALIBRATOR, QUALITY HNF / UFH, QUALITY HBPM / LMWHDiagnostica Stago, Inc. · 2011-10-26

Official Source

View FDA Recall →

Source: FDA Enforcement Report / Recall database. Always confirm against the official FDA record.