FDA Devices recall · Reported April 7, 2021
LIAISON 1-84 PTH Assay - Product Usage: is an in vitro chemiluminescent immunoassay (CLIA) intended for the quantitative determination of parathyroid hormone (1-84) in human serum and EDTA plasma. Measurements of parathyroid hormone levels are used in the differential diagnosis of hypercalcemia and hypocalcemia resulting from disorders of calcium metabolism. The test has to be performed on the LIAISON¿ Analyzer family.
Potential for system to produce falsely elevated parathyroid hormone (PTH) results from patient samples.
Diasorin Inc. recalled LIAISON 1-84 PTH Assay - Product Usage: is an in vitro chemiluminescent immunoassay (CLIA… - a moderate-severity action.
LIAISON 1-84 PTH Assay - Product Usage: is an in vitro chemiluminescent immunoassay (CLIA… was recalled by Diasorin Inc. in April 7, 2021. Reason: Potential for system to produce falsely elevated parathyroid hormone (PTH) results from patient samples.. Check the official notice for the remedy. Verify recall #Z-1342-2021 with the FDA Devices before acting.
The recall
Diasorin Inc. issued this moderate-severity FDA Devices recall-Potential for system to produce falsely elevated parathyroid hormone (PTH) results from patient samples..
- Moderate
- severity level
- 6K units
- affected scope
- Class II
- classification
- April 7, 2021
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1342-2021 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
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
LIAISON 1-84 PTH Assay - Product Usage: is an in vitro chemiluminescent immunoassay (CLIA) intended for the quantitative determination of parathyroid hormone (1-84) in human serum and EDTA plasma. Measurements of parathyroid hormone levels are used in the differential diagnosis of hypercalcemia and hypocalcemia resulting from disorders of calcium metabolism. The test has to be performed on the LIAISON¿ Analyzer family.
Reason for recall
Potential for system to produce falsely elevated parathyroid hormone (PTH) results from patient samples.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-1342-2021 |
| Date reported | April 7, 2021 |
| Date initiated | November 23, 2020 |
| Recalling firm | Diasorin Inc. |
| Firm location | Stillwater, MN |
| Affected scope | 5,895 devices |
| Distribution | Worldwide distribution - US Nationwide in the states of KY, OH, GA, PA, FL and the countries of Canada, Argentina, Bahrain, Bosnia & Herzegovnia, Iraq, Jordan, Morocco, Nepal, Russia, Serbia, Singapore, Taiwan, Thailand, Tunisia, Dubai, It… |
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-1342-2021) 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.
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Nationwide recalls with similar severity or category timing
Drug and device notices outside this firm and state, matched by severity timing and product category.
Similar severity · nearest report date
Same archive severity grade (Moderate), closest by report date among other firms and states.
Similar Medical Devices · nearest report date
Same product category, closest by report date among other firms and states (deduped against the severity set).
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Methodology · Corrections · Archive as of August 2026