What Happened
Trividia Health has issued a correction for its TRUE METRIX blood glucose monitoring systems after the FDA identified problems with device malfunctions that could interfere with diabetes management. The company now recommends that patients who encounter an E-5 error code on their monitors and experience symptoms of high blood sugar seek immediate medical attention. This correction affects home blood glucose monitoring devices that millions of Americans rely on daily to manage their diabetes.
Key Details
The correction specifically addresses the following issues:
- E-5 error codes appearing on TRUE METRIX glucose meters
- Potential disruption to accurate blood sugar readings
- Risk that patients may not receive proper glucose measurements when needed
- Recommendation for immediate medical care if error occurs alongside high glucose symptoms
- FDA classification as a correction rather than a full device recall
The correction was announced on April 28, 2026, and applies to TRUE METRIX blood glucose monitoring systems distributed by Trividia Health.
Why This Matters
Accurate blood glucose monitoring forms the foundation of diabetes management for over 37 million Americans living with the condition. When glucose meters malfunction, patients cannot make informed decisions about insulin dosing, meal planning, or when to seek emergency care. High blood sugar episodes, known as hyperglycemia, can escalate into dangerous complications including diabetic ketoacidosis, which requires immediate hospital treatment.
The E-5 error code prevents patients from obtaining blood sugar readings precisely when they may need them most. This creates a dangerous gap in self-monitoring that could lead to delayed treatment of serious glucose spikes or missed signs of diabetic emergencies.
Background and Context
Blood glucose monitors are Class II medical devices that must receive FDA 510(k) clearance before reaching the market. These devices allow people with diabetes to test their blood sugar levels at home by placing a small blood sample on a test strip inserted into the meter. The TRUE METRIX system is one of several competing glucose monitoring platforms available to patients through pharmacies and medical supply companies.
Device corrections represent a middle ground between minor issues and full recalls. The FDA requires manufacturers to issue corrections when problems could affect device safety or effectiveness but do not necessarily require removing products from the market. Trividia Health, the manufacturer behind TRUE METRIX systems, specializes in diabetes management products and has previously received FDA clearance for multiple glucose monitoring devices.
What Comes Next
Patients currently using TRUE METRIX glucose monitors should watch for E-5 error codes and follow Trividia’s guidance to seek medical care if the error coincides with symptoms of high blood sugar. These symptoms include excessive thirst, frequent urination, blurred vision, fatigue, or fruity-smelling breath.
The FDA will likely monitor how effectively Trividia implements this correction and whether additional safety measures become necessary. Patients experiencing repeated E-5 errors may need to contact their healthcare provider about switching to alternative glucose monitoring systems. Healthcare providers should be prepared to recommend backup testing methods for patients affected by this device issue.
Source
This report is based on reporting from the FDA MedWatch Safety.
This article is for informational purposes only. Consult a licensed healthcare provider before purchasing or using any medical device.

