What do “HIGH” and “LOW” mean?

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What do “HIGH” and “LOW” mean?

“LOW” indicates a glucose reading lower than 2.2 mmol/L (40 mg/dL). 

“HIGH” indicates a glucose reading higher than 27.8 mmol/L (500 mg/dL).

If either of these readings are seen, the FreeStyle LibreLink user should check his/her blood glucose with a test strip. If they get a “LO” or “HI” result from a blood glucose meter, the FreeStyle LibreLink user should contact their healthcare professional immediately or follow their treatment plan as developed with their HCP.