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ModerateClass IITerminated

FDA Devices recall · Reported July 1, 2020

AIA-900 Analyzer, Part no. 022930, UDI 04560189283992

The Substrate Monitoring System in the AIA-900 Analyzer did not detect an empty substrate bottle. The issue may lead to erroneous immunoassay test results.

Recall #
Z-2423-2020
Affected scope
529
Initiated
May 22, 2020
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Tosoh Bioscience Inc recalled AIA-900 Analyzer, Part no. 022930, UDI 04560189283992 - a moderate-severity action.

AIA-900 Analyzer, Part no. 022930, UDI 04560189283992 was recalled by Tosoh Bioscience Inc in July 1, 2020. Reason: The Substrate Monitoring System in the AIA-900 Analyzer did not detect an empty substrate bottle. The issue m…. Check the official notice for the remedy. Verify recall #Z-2423-2020 with the FDA Devices before acting.

The recall

Tosoh Bioscience Inc issued this moderate-severity FDA Devices recall-The Substrate Monitoring System in the AIA-900 Analyzer did not detect an empty substrate bottle. The issue m….

Moderate
severity level
529 units
affected scope
Class II
classification
July 1, 2020
reported

Sourced from official FDA Devices enforcement records. Verify recall #Z-2423-2020 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution scope (see Distribution below) 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, 6 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 - 41,021 medical devices recalls on record

01,0002,0003,0004,000 20052008201120142017202020232026 1,947
Severity1906864652High severity (most serious)Moderate severityLow severity
Where this agency-classified recall sits among FDA Class I/II/III notices

Of 88,244 recalls with an agency hazard classification, 19,068 are high severity, 64,652 moderate, and 4,524 low. A further 16,179 CPSC/NHTSA recalls have no agency class and are excluded from this split. 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.

Product description

AIA-900 Analyzer, Part no. 022930, UDI 04560189283992

Reason for recall

The Substrate Monitoring System in the AIA-900 Analyzer did not detect an empty substrate bottle. The issue may lead to erroneous immunoassay test results.

Recall Profile

Structured summary of the FDA Devices recall record
Attribute Value
Agency U.S. Food and Drug Administration
Severity class Moderate (Class II)
Status Terminated
Recall number Z-2423-2020
Date reported July 1, 2020
Date initiated May 22, 2020
Recalling firm Tosoh Bioscience Inc
Firm location Grove City, OH
Affected scope 529
Distribution Domestic distribution nationwide. Foreign distribution to Chile, Costa Rica, Cayman Islands, Dominican Republic, Ecuador, Guatemala, Honduras, Peru, Republic of Panama, El Salvador, and Uruguay.

Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.

Scale of Impact

529 units affected - limited or regional distribution scale.

Regional (<10K units) ✓ This recall
Multi-state (10K – 100K units) -
Large-scale (100K – 1M units) -
Massive (≥1M units) -

Bracket cutoffs follow federal recall-disclosure conventions; bar widths scale linearly within each bracket. Source: PlainRecalls analysis of U.S. Food and Drug Administration filings.

What to do with this recall

Match your product against the recall record, then act on the agency remedy.

  • Check the recall number (Z-2423-2020) 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?
AIA-900 Analyzer, Part no. 022930, UDI 04560189283992. Recalled by Tosoh Bioscience Inc. Units affected: 529.
Why was this product recalled?
The Substrate Monitoring System in the AIA-900 Analyzer did not detect an empty substrate bottle. The issue may lead to erroneous immunoassay test results.
Which agency issued this recall?
This recall was issued by the FDA Devices on July 1, 2020. Severity: Moderate. Recall number: Z-2423-2020.
Where was the recalled product distributed?
Distribution: Domestic distribution nationwide. Foreign distribution to Chile, Costa Rica, Cayman Islands, Dominican Republic, Ecuador, Guatemala, Honduras, Peru, Republic of Panama, El Salvador, and Uruguay..
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.

Nationwide recalls with similar severity or category timing

Drug and device notices outside this firm and state, matched by severity timing and product category.

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This recall: FDA Devices, reported July 1, 2020. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026