Severity
Moderate
ModerateClass IITerminated
FDA Devices recall · Reported July 24, 2019
The Tina-quant lgA Gen.2 is an immunoturbidimetric assay. Anti-lgA antibodies react with antigen in the sample to form an antigen/antibody complex which is measured turbidimetrically.
Calibration failures with Std.E, Sens.E, or Dup.E error due to atypical reaction kinetics and quality control failures have occurred due to contamination of R1 reagent with R3 rea…
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
Roche Diagnostics Corporation recalled The Tina-quant lgA Gen.2 is an immunoturbidimetric assay. Anti-lgA antibodies react with … - a moderate-severity action.
The Tina-quant lgA Gen.2 is an immunoturbidimetric assay. Anti-lgA antibodies react with … was recalled by Roche Diagnostics Corporation in July 24, 2019. Reason: Calibration failures with Std.E, Sens.E, or Dup.E error due to atypical reaction kinetics and quality control…. Check the official notice for the remedy. Verify recall #Z-1979-2019 with the FDA Devices before acting.
The recall
Roche Diagnostics Corporation issued this moderate-severity FDA Devices recall-Calibration failures with Std.E, Sens.E, or Dup.E error due to atypical reaction kinetics and quality control….
- Moderate
- severity level
- 8 units
- affected scope
- Class II
- classification
- July 24, 2019
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1979-2019 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-1979-2019) was formally reported on July 24, 2019, with the manufacturer initiating the action on June 3, 2019. It is classified under Moderate severity (Class II), with a current status of Terminated. Roche Diagnostics Corporation is listed as the recalling firm, operating out of Indianapolis, IN. Federal records list the affected scope as 8 units.
The documented reason for this recall is: Calibration failures with Std.E, Sens.E, or Dup.E error due to atypical reaction kinetics and quality control failures have occurred due to contamination of R1 reagent with R3 reagent. Distribution data in the federal record shows the product reached: The products were distributed to the following US states: AL, IN, and KY.. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.
Within the same product category the archive holds 6 closely related recalls, 3 from FDA Devices - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Medical Devices recalls over time
Where this recall sits in its category - 40,322 medical devices recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Affected scope
8 units
Related Recalls
6
3 from same agency
Product description
The Tina-quant lgA Gen.2 is an immunoturbidimetric assay. Anti-lgA antibodies react with antigen in the sample to form an antigen/antibody complex which is measured turbidimetrically.
Reason for recall
Calibration failures with Std.E, Sens.E, or Dup.E error due to atypical reaction kinetics and quality control failures have occurred due to contamination of R1 reagent with R3 reagent.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-1979-2019 |
| Date reported | July 24, 2019 |
| Date initiated | June 3, 2019 |
| Recalling firm | Roche Diagnostics Corporation |
| Firm location | Indianapolis, IN |
| Affected scope | 8 units |
| Distribution | The products were distributed to the following US states: AL, IN, and KY. |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
What to do with this recall
Match your product against the recall record, then act on the agency remedy.
- Check the recall number (Z-1979-2019) and product description against the item you own. Search the archive
- Confirm the current status with FDA Devices before acting, recall details can be updated.
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official FDA Devices record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
Frequently Asked Questions
What product was recalled? ▼
The Tina-quant lgA Gen.2 is an immunoturbidimetric assay. Anti-lgA antibodies react with antigen in the sample to form an antigen/antibody complex which is measured turbidimetrically.. Recalled by Roche Diagnostics Corporation. Units affected: 8 units.
Why was this product recalled? ▼
Calibration failures with Std.E, Sens.E, or Dup.E error due to atypical reaction kinetics and quality control failures have occurred due to contamination of R1 reagent with R3 reagent.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on July 24, 2019. Severity: Moderate. Recall number: Z-1979-2019.
Where was the recalled product distributed? ▼
Distribution: The products were distributed to the following US states: AL, IN, and KY..
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1979-2019) against your product. Visit the official FDA Devices website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
Should I stop using a recalled medication or medical device? ▼
Do not stop using a recalled medication or device without consulting your healthcare provider first, as abruptly discontinuing treatment could pose its own health risks. Your doctor can advise on alternatives or whether the recall applies to your specific product lot. Check the recall number and lot information against your product packaging.
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: FDA Devices, reported July 24, 2019. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.