what does gmi mean on dexcom
Asked by: DexcomUser123
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Community Answer
Answered by Dr. Emily Carter, MD 🩺
GMI stands for Glucose Management Indicator on Dexcom devices. It is an estimate of your A1C level based on the average glucose readings from your continuous glucose monitor (CGM) over the past 14 to 90 days. GMI provides a useful snapshot of your blood sugar control and helps you and your healthcare provider make informed decisions about your diabetes management.
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How it works: GMI is calculated using the formula:
GMI (%) = 3.31 + 0.02392 × [average glucose in mg/dL]
or
GMI (%) = 12.71 + 0.01835 × [average glucose in mmol/L]
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Purpose: It helps track long-term glucose trends and assess the effectiveness of your diabetes management plan.
Note: GMI is not the same as a lab-measured A1C, but it can be a helpful tool for monitoring your glucose levels over time.