Severity
Moderate
ModerateClass IIOngoing
FDA Devices recall · Reported April 8, 2026
Atellica CH Enzymatic Hemoglobin A1c (A1c_E); Siemens Material Number (SMN): 11097536;
A potential for depressed results for Atellica CH A1c_E when processing Atellica CH RCRP on the same analyzer. Customers processing A1c_E and RCRP on separate analyzers are not im…
Siemens Healthcare Diagnostics, Inc. recalled Atellica CH Enzymatic Hemoglobin A1c (A1c_E); Siemens Material Number (SMN): 11097536; - a moderate-severity action.
Atellica CH Enzymatic Hemoglobin A1c (A1c_E); Siemens Material Number (SMN): 11097536; was recalled by Siemens Healthcare Diagnostics, Inc. in April 8, 2026. Reason: A potential for depressed results for Atellica CH A1c_E when processing Atellica CH RCRP on the same analyzer…. Check the official notice for the remedy. Verify recall #Z-1657-2026 with the FDA Devices before acting.
The recall
Siemens Healthcare Diagnostics, Inc. issued this moderate-severity FDA Devices recall-A potential for depressed results for Atellica CH A1c_E when processing Atellica CH RCRP on the same analyzer….
- Moderate
- severity level
- 21K units
- affected scope
- Class II
- classification
- April 8, 2026
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1657-2026 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-1657-2026) was formally reported on April 8, 2026, with the manufacturer initiating the action on February 23, 2026. It is classified under Moderate severity (Class II), with a current status of Ongoing. Siemens Healthcare Diagnostics, Inc. is listed as the recalling firm, operating out of Tarrytown, NY. Federal records list the affected scope as 21,291 units (9750 US, 11541 OUS).
The documented reason for this recall is: A potential for depressed results for Atellica CH A1c_E when processing Atellica CH RCRP on the same analyzer. Customers processing A1c_E and RCRP on separate analyzers are not impacted by the recall. The frequency and … Distribution data in the federal record shows the product reached: Domestic: Nationwide Distribution International: Argentina, Australia, Bangladesh, Brazil, Bulgaria , Canada, Chile, China, Colombia, Croatia , Cura¿ao, St Eus, Czech Republic , Denmark , Ecuador, E…. 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
21,291 units (9750 US, 11541 OUS)
Related Recalls
6
3 from same agency
Product description
Atellica CH Enzymatic Hemoglobin A1c (A1c_E); Siemens Material Number (SMN): 11097536;
Reason for recall
A potential for depressed results for Atellica CH A1c_E when processing Atellica CH RCRP on the same analyzer. Customers processing A1c_E and RCRP on separate analyzers are not impacted by the recall. The frequency and magnitude of the negative bias and imprecision increase over time and are not consistent with the assay Instructions For Use (IFU). When this issue is present, Quality Control (QC) results demonstrate a negative trend and increased imprecision. The clinical impact of a negative (A1c_E) bias may lead to a delay in diagnosis for diabetes or lead to less-than-optimal treatment for existing diabetes.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Ongoing |
| Recall number | Z-1657-2026 |
| Date reported | April 8, 2026 |
| Date initiated | February 23, 2026 |
| Recalling firm | Siemens Healthcare Diagnostics, Inc. |
| Firm location | Tarrytown, NY |
| Affected scope | 21,291 units (9750 US, 11541 OUS) |
| Distribution | Domestic: Nationwide Distribution International: Argentina, Australia, Bangladesh, Brazil, Bulgaria , Canada, Chile, China, Colombia, Croatia , Cura¿ao, St Eus, Czech Republic , Denmark , Ecuador, Egypt , Esto… |
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-1657-2026) 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? ▼
Atellica CH Enzymatic Hemoglobin A1c (A1c_E); Siemens Material Number (SMN): 11097536;. Recalled by Siemens Healthcare Diagnostics, Inc.. Units affected: 21,291 units (9750 US, 11541 OUS).
Why was this product recalled? ▼
A potential for depressed results for Atellica CH A1c_E when processing Atellica CH RCRP on the same analyzer. Customers processing A1c_E and RCRP on separate analyzers are not impacted by the recall. The frequency and magnitude of the negative bias and imprecision increase over time and are not consistent with the assay Instructions For Use (IFU). When this issue is present, Quality Control (QC) results demonstrate a negative trend and increased imprecision. The clinical impact of a negative (A1c_E) bias may lead to a delay in diagnosis for diabetes or lead to less-than-optimal treatment for existing diabetes.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on April 8, 2026. Severity: Moderate. Recall number: Z-1657-2026.
Where was the recalled product distributed? ▼
Distribution: Domestic: Nationwide Distribution International: Argentina, Australia, Bangladesh, Brazil, Bulgaria , Canada, Chile, China, Colombia, Croatia , Cura¿ao, St Eus, Czech Republic , Denmark , Ecuador, Egypt , Estonia , Finland , France , Georgia , Germany , Greece , Hong Kong, India, Iraq , Italy , Jordan , Kuwait , Latvia , Lithuania , Macedonia , Malaysia, Maldives, Mexico, Netherlands , New Zealand, Norway , Oman , Pakistan , Paraguay, Qatar , Romania , Saudi Arabia , Serbia , Singapore, Slovakia , Slovenia , South Africa, South Korea, Spain , Turkey , Turkmenistan , U.A.E. , Uganda , United Kingdom , Uruguay , Vatikancity;.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1657-2026) 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 April 8, 2026. 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.