Diagnostica Stago, Inc.: Brand Name: STA Liatest Free Protein S Product Name: STA Liatest Free Protein S Model/Catalog Number (REF): 00516 Product Description: The STA - Liatest Free Protein S kits are intended for use on STA-R and STA Compact for the quantitative antigenic assay of free protein S in human citrated plasma by the immuno-turbidimetric method. Component: Not Applicable

Recall number

Z-1491-2026

Recalling firm

Diagnostica Stago, Inc.

Product

Brand Name: STA Liatest Free Protein S Product Name: STA Liatest Free Protein S Model/Catalog Number (REF): 00516 Product Description: The STA - Liatest Free Protein S kits are intended for use on STA-R and STA Compact for the quantitative antigenic assay of free protein S in human citrated plasma by the immuno-turbidimetric method. Component: Not Applicable

Status

Open, Classified

Initiated

2026-02-04

Posted

2026-03-03

Terminated

not on file

Reason

The potential of out-of-range results and an underestimation of the free protein S level in normal patient plasmas. The defect only affects normal-range values.

Root cause

Under Investigation by firm

Action

On February 4, 2026 URGENT: MEDICAL DEVICE RECALL (REMOVAL) letters were sent to customers. Actions required: If you currently have one or more kits of STA LIATEST FREE PROTEIN S 6 : - For REF 00516: Lots 271971, 272859, and 273018 with a short expiration date we ask you to discontinue their use and dispose of them in accordance with your local regulations. Stago will provide a credit for any destroyed kits. - For REF 00516: lot 273426: o If the initial barcode sheet provided with the kit has already been loaded into the instrument: - Stop the use the initial barcode pre-calibration settings. - Replace the initial barcode settings with the new pre-calibration barcode settings attached, by following to the procedure described in Appendix 1 of this letter. o If the initial barcode sheet has not yet been loaded into the instrument: - Do not use it and proceed to load the lot using the new pre-calibration barcodes provided in the attachment.

Quantity

369

Distribution

Worldwide - US Nationwide distribution in the states of AZ, CA, CO, FL, GA, HI, IL, KY, MI, MN, MO, MT, NC, ND, NJ, NY, OH, PA, TN, TX, UT, VA, WA and the countries of ALBANIA, ALGERIA, ARGENTINA, AUSTRALIA, AUSTRIA, BAHRAIN, BANGLADESH, BELGIUM, BIELORUSSIE, BRAZIL, BULGARIA, CANADA, CHILE, CHINA, COSTA RICA, DENMARK, FINLAND, FRANCE, GERMANY, GREECE, GUADELOUPE, GUATEMALA, INDIA, IRAQ, IRELAND, ITALY, JORDAN, KENYA, KOREA REPUBLIC OF, LITUANIA, LUXEMBOURG, MALAYSIA, MEXICO, MOROCCO, NETHERLANDS, NEW CALEDONIA, NEW ZEALAND, PAKISTAN, PALESTINIAN TERRITORY, PARAGUAY, PORTUGAL, ROMANIA, RUSSIE, SAUDI ARABIA, SERBIA, SOUTH AFRICA, SPAIN, SWEDEN, SWITZERLAND, TAIWAN, THAILAND, TUNISIE, TURKEY, UNITED ARAB EMIRATES, UNITED KINGDOM, URUGUAY;

Lot, serial or model codes

Model/Catalog Number (REF): 00516; UDI: (1) (01)03607450005165(11)241001(17)260131(10)271971(241)00516, (2) (01)03607450005165(11)250221(17)260531(10)272859(241)00516, (3) (01)03607450005165(11)250306(17)260630(10)273018(241)00516, (4) (01)03607450005165(11)250430(17)260831(10)273426(241)00516; Lot numbers: (1) 271 971, (2) 272 859, (3) 273 018, (4) 273 426; Lot Code: 271 971 (01)03607450005165(11)241001(17)260131(10)271971(241)00516

510(k) numbers

["K010963"]

PMA numbers

not on file

Product code

GGP

Firm FEI

2245451

Firm city

Parsippany

Firm state

NJ

Firm country

not on file

Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

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