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FDA Devices recall · Reported March 18, 2020

VaccZyme Human Anti-Haemophilus influenza type b Enzyme Immunoassay Kit For in vitro diagnostic use, Product Code: MK016 - Product Usage: This assay is designed for the in vitro measurement of specific IgG antibodies against Haemophilus influenzae type b (Hib) capsular polysaccharide, present in human serum. Sufficient materials are supplied to allow a maximum of 41 samples to be tested in duplicate, with a calibration curve and two controls.

A deterioration of performance was identified with influenza type B Enzyme Immunoassay Kits with findings of a positive bias with kit controls. Patient sample results may be affec…

Recall #
Z-1469-2020
Affected scope
462 kits
Initiated
August 12, 2018
Verify with FDA Devices →
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The Binding Site Group, Ltd. recalled VaccZyme Human Anti-Haemophilus influenza type b Enzyme Immunoassay Kit For in vitro diag… - a moderate-severity action.

VaccZyme Human Anti-Haemophilus influenza type b Enzyme Immunoassay Kit For in vitro diag… was recalled by The Binding Site Group, Ltd. in March 18, 2020. Reason: A deterioration of performance was identified with influenza type B Enzyme Immunoassay Kits with findings of …. Check the official notice for the remedy. Verify recall #Z-1469-2020 with the FDA Devices before acting.

The recall

The Binding Site Group, Ltd. issued this moderate-severity FDA Devices recall-A deterioration of performance was identified with influenza type B Enzyme Immunoassay Kits with findings of ….

Moderate
severity level
Class II
classification
March 18, 2020
reported

Sourced from official FDA Devices enforcement records. Verify recall #Z-1469-2020 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

VaccZyme Human Anti-Haemophilus influenza type b Enzyme Immunoassay Kit For in vitro diagnostic use, Product Code: MK016 - Product Usage: This assay is designed for the in vitro measurement of specific IgG antibodies against Haemophilus influenzae type b (Hib) capsular polysaccharide, present in human serum. Sufficient materials are supplied to allow a maximum of 41 samples to be tested in duplicate, with a calibration curve and two controls.

Reason for recall

A deterioration of performance was identified with influenza type B Enzyme Immunoassay Kits with findings of a positive bias with kit controls. Patient sample results may be affected with falsely elevated results incorrectly indicating a protective level of anti-Hib antibody in the assessment of immunodeficiency.

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-1469-2020
Date reported March 18, 2020
Date initiated August 12, 2018
Recalling firm The Binding Site Group, Ltd.
Firm location Birmingham
Affected scope 462 kits
Distribution Worldwide distribution - US Nationwide distribution in the states of M.A., C.A., MO., NC, MN, VA, WA, and IL and country of Canada.

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-1469-2020) 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?
VaccZyme Human Anti-Haemophilus influenza type b Enzyme Immunoassay Kit For in vitro diagnostic use, Product Code: MK016 - Product Usage: This assay is designed for the in vitro measurement of specific IgG antibodies against Haemophilus influenzae type b (Hib) capsular polysaccharide, present in human serum. Sufficient materials are supplied to allow a maximum of 41 samples to be tested in duplicate, with a calibration curve and two controls.. Recalled by The Binding Site Group, Ltd.. Units affected: 462 kits.
Why was this product recalled?
A deterioration of performance was identified with influenza type B Enzyme Immunoassay Kits with findings of a positive bias with kit controls. Patient sample results may be affected with falsely elevated results incorrectly indicating a protective level of anti-Hib antibody in the assessment of immunodeficiency.
Which agency issued this recall?
This recall was issued by the FDA Devices on March 18, 2020. Severity: Moderate. Recall number: Z-1469-2020.
Where was the recalled product distributed?
Distribution: Worldwide distribution - US Nationwide distribution in the states of M.A., C.A., MO., NC, MN, VA, WA, and IL and country of Canada..
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

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This recall: FDA Devices, reported March 18, 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