Roche recalls Tina-quant Complement C4 ver.2 (Catalog : 05991994190) due to yellow discoloration from cross contamination between reagents, causing invalid calibrations.
Roche has confirmed customer complaints of low quality (QC) recovery and invalid calibrations for the identified products. A discoloration (yellow color) was observed and is the result of cross contamination between the R1 and R3 reagents.
Roche is recalling Tina-quant Complement C4 ver.2 (Catalog 05991994190) because it can show yellow discoloration from cross contamination, leading to invalid calibrations and low quality recovery. This affects lab equipment used for testing.
The product shows yellow discoloration due to cross contamination between reagents R1 and R3. This causes invalid calibrations and low quality recovery, meaning test results may be inaccurate.
Lab users who own or use Tina-quant Complement C4 ver.2 (Catalog 05991994190) are affected. Those handling the product in medical testing settings are most at risk.
Check for yellow discoloration in the Tina-quant Complement C4 ver.2 (Catalog 05991994190) product. The recall covers lot 36870301.
Look for yellow discoloration in the Tina-quant Complement C4 ver.2 product.
Roche has confirmed customer complaints of low quality recovery and invalid calibrations due to yellow discoloration from cross contamination between reagents R1 and R3.
Check for yellow discoloration. If present, stop using it as it may cause invalid calibrations.
The recall does not mention a fix; the remedy is not stated in the record.
We’ve drafted a message you can send Roche to request your refund or repair — edit it as you like.
Subject: Recall Z-0103-2021 — Roche Roche Hello, I own a Roche that is covered by recall Z-0103-2021 from Roche. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
