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SESK: Stuff Everyone Should Know · sesk.info/diab-time-below-54

On a CGM, what is ADA's goal for time spent below 54 mg/dL?

Less than 1% of the time.

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  1. 5% to 10%
  2. 1% to 5%
  3. Less than 1% ✔

Why: Below 54 mg/dL is a more serious low. ADA's 2026 Standards recommend less than 1% of time below 54 mg/dL for people using a CGM, to help prevent hypoglycemia.

Huh, didn't know that: 1% of a day is only about 14 minutes.

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Less than 1% of the time? My blood sugar is more punctual than my bus.
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References

Answer: Less than 1%. Below 54 mg/dL is a more serious low. ADA's 2026 Standards recommend less than 1% of time below 54 mg/dL for people using a CGM, to help prevent hypoglycemia.

  1. ADA Standards of Care in Diabetes 2026, Section 6: Glycemic Goals, Hypoglycemia, and Hyperglycemic Crises pmc.ncbi.nlm.nih.gov/articles/PMC12690178
    a goal percent time <54 mg/dL (<3.0 mmol/L) of <1% are recommended in people using CGM to prevent hypoglycemia.
    Checked 2026-10-09.

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