Medical Device
Manufacturing
THE TRADE PAPER OF THE FACTORY FLOOR
Z-1009-2026Class II

The Elecsys Anti-TSHR immunoassay is a three-step competitive immunoassay with streptavidin-coated...

Roche Diagnostics GmbH / initiated 2025-11-21 / Open, Classified / root cause: manufacturing process

Roche Diagnostics Operations, Inc. began a recall of The Elecsys Anti-TSHR immunoassay is a three-step competitive immunoassay with streptavidin-coated microparticles and electrochemiluminescence detection... on . FDA classified it as Class II and gives the reason as "Issues identified: 1) Results vary by Instrument Platform; 2) Calibrator Lot-to-Lot Variability. Issues may lead to delayed or incorrect diagnosis, as well as delay of treatment or incorrect treatment". As of , the recall status on record is Open, Classified, and MDM tags the root cause as manufacturing process.

Recall record

Recall number
Z-1009-2026
Classification
Class II
Status
Open, Classified
Initiated
Posted
Recalling firm
Roche Diagnostics GmbH
Product
The Elecsys Anti-TSHR immunoassay is a three-step competitive immunoassay with streptavidin-coated microparticles and electrochemiluminescence detection. Patient serum sample is incubated with pretreatment reagent PT1 and the reconstituted PT2 containing a pre-formed immunocomplex of solubilized porcine TSH receptor (pTSHR) and biotinylated anti-pTSHR mouse monoclonal antibody.
Product code
JZO System, Test, Thyroid Autoantibody
Reason for recall
Issues identified: 1) Results vary by Instrument Platform; 2) Calibrator Lot-to-Lot Variability. Issues may lead to delayed or incorrect diagnosis, as well as delay of treatment or incorrect treatment.
Root cause tag
manufacturing process
FDA root cause
Process control
Action
Firm notified customers on November 21, 2025 via Urgent Medical Device Correction notices. Customers using the cobas e 402/801 and cobas e411 were instructed to immediately discontinue using the impacted lots outlined in the UMDC and switch to the new unaffected lot numbers listed in the communication.
Quantity in commerce
1300 cassettes
Distribution
US Nationwide distribution in the states of AZ, CA, FL, GA, IL, IN, ME, MI, MN, NC, NJ, NM, NY, OH, PA, PR, TN, TX, UT, WA, WV.
Product codes and lots
08496633190 lot 840183 exp. 02/26 08496633190 lot 874011 exp. 10/26 08496609190 lot 840177 exp. 05/26

Enforcement reports

One row per recalled product line
FDA enforcement reports joined to recall event Z-1009-2026
Recall numberClassStatusVoluntary or mandatedReport dateClassified
Z-1009-2026Class IIOngoingVoluntary: Firm initiated