FreeStyle Libre Accuracy: What Seniors Need to Know

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This article provides general information about FreeStyle Libre accuracy and is not medical advice. Always consult your healthcare provider about your specific diabetes management needs.

Understanding FreeStyle Libre accuracy is essential for seniors managing diabetes with continuous glucose monitoring (CGM). As more Medicare beneficiaries choose the FreeStyle Libre system, knowing how accurate your readings are – and what can affect them – helps you make better decisions about your diabetes care.

How Accurate is the FreeStyle Libre?

The FreeStyle Libre has been shown to be highly accurate, with studies demonstrating readings within 9-10% of traditional blood glucose values. For seniors, this means you can trust your CGM readings for most daily diabetes management decisions.

What This Means for You: Your FreeStyle Libre readings are typically as reliable as traditional finger sticks for everyday use.

Understanding Your Accuracy Measurements

When checking your FreeStyle Libre accuracy, you’ll see these important numbers:

  • MARD (Mean Absolute Relative Difference): Usually between 9-10%
  • Time in Target Range: Ideally 70-180 mg/dL
  • Sensor Life: 14 days
Senior-Friendly Tip: Keep a simple log comparing your CGM readings to occasional finger sticks. This helps you understand your personal accuracy patterns.

Factors That Can Affect FreeStyle Libre Accuracy

Several common situations may impact your readings:

  • First 24 hours of a new sensor
  • Pressure on the sensor while sleeping
  • Dehydration
  • Certain medications, including aspirin in high doses

[Content continues with detailed sections on troubleshooting, Medicare coverage, and practical tips…]

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Need Help with Medicare CGM Coverage?

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Call Now: 888-649-5705

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