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Atellica ch enzymatic hemoglobin a1c (a1c e) assay

Official notice

18 Jun 2026

MediumHealth Canada

An official Health Canada notice concerns Atellica ch enzymatic hemoglobin a1c (a1c e) assay. Siemens Healthineers has confirmed, through internal investigation of customer complaints, the potential for intermittent well-to-well bias affecting the A1c_E/A1c_H assay when used on the Atellica CH and Atellica CI systems. This observed bias does not affect every A1c_E reagent lot or reagent pack. However, affected wells cannot currently be identified prospectively, therefore all in-date lots are considered potentially impacted until further notice. Under certain circumstances, this issue may result in:. Falsely depressed patient results when lot calibration is performed using an affected well and patient testing is subsequently performed using an unaffected well.. Falsely elevated patient results when lot calibration is performed using an unaffected well and patient testing is subsequently performed using an affected well. Published 2026-06-18.

What to do now

Contact the manufacturer if you require additional information.

Recall number

82220

Official notice

2026-06-18

The hazard

Siemens Healthineers has confirmed, through internal investigation of customer complaints, the potential for intermittent well-to-well bias affecting the A1c_E/A1c_H assay when used on the Atellica CH and Atellica CI systems. This observed bias does not affect every A1c_E reagent lot or reagent pack. However, affected wells cannot currently be identified prospectively, therefore all in-date lots are considered potentially impacted until further notice. Under certain circumstances, this issue may result in:. Falsely depressed patient results when lot calibration is performed using an affected well and patient testing is subsequently performed using an unaffected well.. Falsely elevated patient results when lot calibration is performed using an unaffected well and patient testing is subsequently performed using an affected well.

How to check if you're affected

Compare the product name and identifiers below with the item you own. Follow the official notice if they match.

Lots

calibration

Skus

11097536

Other

RA RA-82220

Model Numbers

11097536

Recall Numbers

82220

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Affected products

Product 1

Lot or serial number - All lots., Model or catalogue number - 11097536

Risk / hazard

Siemens Healthineers has confirmed, through internal investigation of customer complaints, the potential for intermittent well-to-well bias affecting the A1c_E/A1c_H assay when used on the Atellica CH and Atellica CI systems. This observed bias does not affect every A1c_E reagent lot or reagent pack. However, affected wells cannot currently be identified prospectively, therefore all in-date lots are considered potentially impacted until further notice. Under certain circumstances, this issue may result in:. Falsely depressed patient results when lot calibration is performed using an affected well and patient testing is subsequently performed using an unaffected well.. Falsely elevated patient results when lot calibration is performed using an unaffected well and patient testing is subsequently performed using an affected well.

Where it was sold

The source does not list specific retailers. See the official notice for where affected products were sold.

Location 1

CA · Canada

Affected area 1

CA · Canada

Company & contacts

Brand

Manufacturer

Not provided

Phone

Not provided

Brand: Siemens.

Source & status

Source

Health Canada

Tier

beta

Category

HOME

Classification

Type II

App estimate

medium

Recall details

Recall number

82220

Classification

Type II

Source tier

beta

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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