What Is the FreeStyle Libre 3 Continuous Glucose Monitor?
The FreeStyle Libre 3 is a continuous glucose monitor in Abbott’s family of Libre products, designed to provide real-time interstitial glucose readings for people living with diabetes.
The system includes a small, disposable sensor worn on the back of the upper arm and a sensor applicator that inserts a tiny filament just under the skin.
The Libre 3 sensor continuously measures glucose levels and sends data to a compatible smartphone app or reader, allowing users to see current glucose values, trends, and alerts without routine fingerstick checks from a blood glucose meter in most situations.
Abbott markets Libre 3 as the smallest and thinnest sensor in the Libre line, intended to be worn for up to 14 days at a time while the user goes about normal daily activities.
As with other Libre products, the device is meant to help users and clinicians track patterns and make informed decisions about insulin dosing, diet, and activity.
When the device functions properly, users are instructed to compare the sensor readings with how they feel and contact a health care professional if the values do not match symptoms or expectations.
In safety notices and recall communications, Abbott and regulators have advised some Libre 3 users to discontinue use and dispose of affected sensors when lot numbers fall within the impacted ranges.
Those instructions typically direct users to stop using the affected sensor, discard it safely, and request a replacement while consulting their health care team about alternative glucose monitoring.
Although the Libre 3 is cleared as a medical device for adults and children over a certain age, its usefulness depends on accurate readings, appropriate alarms, and careful integration into an overall diabetes management plan.
How the FreeStyle Libre 3 and Libre 3 Plus Systems Work
The FreeStyle Libre 3 and FreeStyle Libre 3 Plus systems are continuous glucose monitoring setups that combine a small disposable sensor, a sensor applicator, and a compatible smartphone app or reader to track glucose levels throughout the day.
The sensor is applied to the back of the upper arm with the sensor applicator, which inserts a tiny filament just under the skin to measure glucose in the interstitial fluid.
Once activated, the sensor automatically sends glucose readings at regular intervals to the user’s phone or reader via Bluetooth, creating a continuous stream of data rather than isolated fingerstick results.
Users can view real-time glucose values, trend arrows, and historical graphs, and in many cases receive alarms when levels are rising or falling rapidly or crossing preset thresholds.
These systems are designed so that most treatment decisions can be based on sensor data instead of routine blood glucose meter checks, though users are still instructed to confirm readings with a meter if values do not match symptoms.
Libre products are typically worn for up to 14 days per sensor, after which the sensor is removed and replaced to maintain accurate, continuous monitoring.
Functions of the FreeStyle Libre 3 and Libre 3 Plus systems include:
- Applying the sensor with a single-use sensor applicator to the back of the upper arm
- Continuously measuring glucose levels in interstitial fluid through a small filament under the skin
- Transmitting glucose data automatically to a compatible smartphone app or reader via Bluetooth
- Displaying real-time readings, trend arrows, and history to support daily diabetes management
- Alerting users to high, low, or rapidly changing glucose levels based on customized settings
- Requiring periodic sensor replacement so the system continues to provide reliable, continuous data
Who Uses FreeStyle Libre 3 Devices?
FreeStyle Libre 3 devices are used by people with diabetes who need frequent glucose checks and want a continuous alternative to traditional fingerstick testing.
They are prescribed for both Type 1 and Type 2 diabetes, including adults and children, when a clinician determines that real-time glucose data will help manage insulin, diet, and activity more safely.
Caregivers and family members may also use connected apps to monitor sensor data remotely for loved ones who are at higher risk of dangerous highs or lows.
People who may use FreeStyle Libre 3 devices include:
- Adults with Type 1 diabetes who require intensive insulin therapy
- Adults with Type 2 diabetes using insulin or complex medication regimens
- Children and adolescents with diabetes who need closer glucose monitoring
- Older adults who are at higher risk of severe hypoglycemia or hyperglycemia
- Pregnant people with preexisting diabetes or gestational diabetes under specialist care
- Caregivers and family members monitoring vulnerable or dependent loved ones
FreeStyle Libre 3 Recall: Key Facts
The FreeStyle Libre 3 recall involves a series of safety actions targeting certain FreeStyle Libre 3 and Libre 3 Plus sensors after reports of incorrect glucose readings in people relying on the devices for daily diabetes management.
Abbott’s most recent and most significant action is a Class I recall for certain FreeStyle Libre 3 and FreeStyle Libre 3 Plus sensors, where internal testing determined that a manufacturing issue could cause the sensor to report falsely low glucose values.
Regulators have explained that a potentially affected sensor may show dangerously low readings even when a user’s blood sugar is normal or high, leading patients and clinicians to trust data that does not match the person’s actual condition.
Abbott and the FDA have disclosed hundreds of serious injuries and at least seven deaths worldwide linked to these issues, with many additional reports of hospitalizations and other less serious complications associated with the recalled devices.
When users act on these incorrect glucose readings, they may eat excessive carbohydrate intake, skip or delay insulin doses, or make other incorrect treatment decisions that can trigger severe hypoglycemia, diabetic ketoacidosis, and long-term harm.
Earlier recall and correction notices for certain FreeStyle Libre 3 sensors, along with separate actions involving other Libre family sensors such as older Libre readers with battery and accuracy issues, have contributed to a broader picture of recurring quality problems in this product line.
Because many people wear these sensors continuously for an extended period, an undetected defect can expose a user to repeated inaccurate readings and compounding risks over days or weeks.
In recall and field safety notices, Abbott and regulators have advised users with a potentially impacted or potentially affected sensor to discontinue use and dispose of the device in line with instructions, then switch to alternative monitoring while consulting their health care team.
Facts about the FreeStyle Libre 3 recall include:
- The recall covers specific lots of Libre 3 and Libre 3 Plus sensors linked to incorrect low glucose readings, not every Libre device on the market.
- The FDA has classified the main U.S. action as a Class I recall, its most serious category, due to the risk of serious injury or death.
- Approximately 3 million sensors from a single production line in the U.S. were included in the initial medical device correction, about half of which were believed to have been used or expired.
- As of January 7, 2026, Abbott has reported 860 serious injuries and seven deaths globally associated with the faulty sensors.
- Libre 3 readers, mobile apps, and other Libre family sensors such as Libre 14-day, Libre 2, and Libre 2 Plus are not part of this particular recall.
The recall applies to defined model numbers and unique device identifiers for FreeStyle Libre 3 and Libre 3 Plus sensors, and users are instructed to verify their devices through Abbott’s FreeStyleCheck resources or their pharmacy notices.
Abbott has emphasized that unaffected sensors and other Libre family sensors can continue to be used as directed, but patients should double-check serial numbers and speak with their clinicians if they are unsure.
For many families, recall letters, pharmacy notifications, and national coverage of the Class I recall were the first signals that a device they relied on might pose serious health risks.
These recall facts now sit at the center of FreeStyle Libre 3 lawsuit investigations, where plaintiffs argue that Abbott did not address the quality problems quickly enough to prevent avoidable injuries and deaths.
Devices, Model Numbers, and Lot Codes Included in the Recall
The FreeStyle Libre 3 recall specifically targets certain sensor models and associated identifiers, rather than every Libre device on the market.
Regulators and Abbott have identified particular model numbers and unique device identifiers (UDI-DI) as part of the recall, and have provided a detailed lot-code list so users and distributors can confirm whether individual sensors are affected.
Devices, model numbers, and identifiers included in the recall include:
- FreeStyle Libre 3 Sensors
- Model numbers: 72081-01 and 72080-01
- UDI-DI: 00357599818005 and 00357599819002
- FreeStyle Libre 3 Plus Sensors
- Model numbers: 78768-01 and 78769-01
- UDI-DI: 00357599844011 and 00357599843014
FreeStyle Libre 3 Lawsuits: Overview
FreeStyle Libre 3 lawsuits focus on claims that defective Libre 3 and Libre 3 Plus sensors produced dangerously inaccurate glucose readings, leading to potential injury and death for people who relied on the devices to manage diabetes.
Plaintiffs allege that incorrect low readings caused users to delay insulin doses, take in unnecessary carbohydrates, or otherwise make treatment decisions that left them severely hyperglycemic, sometimes progressing to diabetic ketoacidosis (DKA), coma, or wrongful death.
Public data from Abbott and the U.S. Food and Drug Administration indicate that, as of early 2026, at least 860 serious injuries and seven deaths worldwide have been linked to inaccurate FreeStyle Libre sensor readings, including FreeStyle Libre 3 and Libre 3 Plus devices.
In addition to these severe outcomes, lawsuits and investigations describe hospitalizations, seizures, loss of consciousness, and permanent neurological injuries following episodes where users allegedly followed faulty sensor data.
One wrongful death complaint filed in California, for example, alleges that a Libre 3 Plus device reported a dangerously low glucose value while the user’s actual blood glucose was extremely high, contributing to a fatal cardiac event.
Separate from personal injury cases, at least one proposed class action seeks economic damages for consumers who purchased Libre 3 sensors that were later recalled or found to be defective, arguing they overpaid for a product that did not perform as advertised.
Across these cases, claims commonly include strict product liability, negligence, failure to warn, and breach of warranty, all centered on whether Abbott adequately designed, tested, monitored, and corrected Libre 3 sensor problems.
People who suffered severe hypo- or hyperglycemic events, DKA, hospitalization, or the loss of a loved one are encouraged to explore a potential injury or wrongful death claim related to recalled Libre 3 sensors.
Because the litigation is still in its early stages, with limited filed cases and no consolidated multidistrict litigation yet established, the landscape may change as more injured users come forward and courts evaluate these allegations.
Who May Qualify for a FreeStyle Libre 3 Lawsuit?
People may qualify for a FreeStyle Libre 3 lawsuit if they used a FreeStyle Libre 3 or FreeStyle Libre 3 Plus sensor that falls within the recalled or potentially defective product groups and then experienced a serious medical event.
In personal injury cases, lawyers are generally looking for clear links between inaccurate sensor readings and outcomes such as hospitalization, emergency treatment, or lasting health problems.
Wrongful death claims may be considered when a person with diabetes died after relying on Libre 3 sensor readings that appear inconsistent with later lab work, autopsy findings, or hospital records.
Eligibility will also depend on medical records, device details, and whether the claim is filed within the applicable statute of limitations in the state where the injury occurred.
People who may qualify for a FreeStyle Libre 3 personal injury or wrongful death lawsuit often include:
- Individuals who used a Libre 3 or Libre 3 Plus sensor and suffered severe hypoglycemia requiring emergency care
- Individuals who experienced diabetic ketoacidosis (DKA) or severe hyperglycemia after following Libre 3 sensor readings
- Patients who had seizures, loss of consciousness, coma, or permanent neurological problems linked to suspected inaccurate readings
- People who were hospitalized or admitted to the ICU after acting on Libre 3 data that conflicted with later blood tests
- Families pursuing a wrongful death claim after a loved one died from complications potentially tied to faulty Libre 3 sensor readings
- Users whose sensors match recalled or potentially defective lots and who have documentation suggesting incorrect readings around the time of the event
What Evidence Helps Support a FreeStyle Libre 3 Claim?
Evidence in a FreeStyle Libre 3 case should clearly show that the person was using a Libre 3 or Libre 3 Plus sensor and what happened medically after they relied on the sensor’s readings.
It is especially useful when records document the sensor readings, the treatment decisions made in response, and objective testing or hospital records that later revealed a different glucose level or condition.
Documentation that connects the device to a recall or safety notice can also help establish that the sensor may have been defective at the time of the injury.
Useful evidence for a FreeStyle Libre 3 claim can include:
- The physical Libre 3 or Libre 3 Plus sensor, sensor applicator packaging, and any saved reader or app screenshots
- Sensor box labels showing serial numbers, lot codes, model numbers, and expiration dates
- Recall notices, pharmacy letters, emails, or texts indicating the device was part of a safety correction or recall
- Smartphone app data exports, CGM reports, or screenshots showing sensor readings around the time of the event
- Blood glucose meter logs, lab results, and hospital testing that conflict with Libre 3 sensor readings
- Emergency room records, hospitalization notes, ICU records, and discharge summaries describing hypoglycemia, DKA, or other complications
- Autopsy reports, death certificates, or medical examiner findings in suspected wrongful death cases
- Office notes from endocrinologists or primary care providers documenting reliance on Libre 3 data and concerns about accuracy
- Records of any complaints filed with Abbott, the FDA (MedWatch), insurers, or health systems about the device’s performance
Potential Compensation in a FreeStyle Libre 3 Lawsuit
In medical device lawsuits, “damages” refers to the full range of losses that a person or family has suffered, from medical bills and lost income to long-term disability and the impact of a wrongful death.
Lawyers assess these damages by reviewing medical records, billing statements, employment and tax records, and expert opinions about future care needs or reduced earning capacity.
They also look at the human impact of the injury, including pain, limitations on daily life, and the emotional and financial strain on spouses and family members.
In a FreeStyle Libre 3 lawsuit, all of this information may be used to advocate for compensation that reflects both the immediate harm and the long-term consequences of a defective sensor.
Potential compensation in a FreeStyle Libre 3 lawsuit may include:
- Past medical bills related to hypoglycemia, DKA, hospitalizations, and follow-up care
- The cost of future medical treatment, medications, monitoring, and rehabilitation
- Lost wages for time away from work during recovery
- Reduced earning capacity if the injury affects long-term ability to work
- Out-of-pocket expenses, such as transportation, medical equipment, and replacement monitoring devices
- Pain and suffering related to physical symptoms, procedures, and ongoing health problems
- Emotional distress, anxiety, depression, or trauma linked to sudden medical crises
- Loss of enjoyment of life for people who can no longer engage in usual activities
- In wrongful death cases, funeral and burial expenses, loss of financial support, and loss of companionship for surviving family members
TorHoerman Law: Investigating the FreeStyle Libre 3 Lawsuit
TorHoerman Law is closely tracking the FreeStyle Libre 3 and Libre 3 Plus recalls and investigating claims that inaccurate sensor readings contributed to severe injuries and deaths.
Our team reviews medical records, device information, and recall documentation to help individuals and families understand whether a defective sensor may have played a role in a medical crisis or loss.
If you or a loved one experienced severe hypoglycemia, DKA, hospitalization, or a suspected Libre-related wrongful death after using a FreeStyle Libre 3 device, you can speak with TorHoerman Law about your legal options.
Contact TorHoerman Law for a free, no-obligation case evaluation to discuss your circumstances and whether a FreeStyle Libre 3 lawsuit may be appropriate in your situation.
