BLOOD SUGAR

Prediabetes: what do the A1C numbers mean?

Tap to start. Takes about 60 seconds.

1 OF 6

A1C is a 2 to 3 month average

This blood test shows your average blood sugar over roughly the past two to three months.

THE RANGES
5.7% to 6.4%

is the prediabetes range. Below 5.7% is normal. 6.5% or higher is diabetes, once a test is confirmed.

Source: American Diabetes Association Standards of Care; CDC National Diabetes Prevention Program.

QUICK QUIZ

An A1C of 6.0% falls in which range?

  • A. Normal
  • B. Prediabetes
  • C. Diabetes
ANSWER

B. Prediabetes

6.0% sits between 5.7% and 6.4%. Only a doctor can diagnose it.

ALSO COUNTS
100 to 125

mg/dL fasting blood glucose is also in the prediabetes range.

Source: American Diabetes Association Standards of Care.

GOOD TO KNOW

Often no symptoms

A blood test is how prediabetes gets found. Ask your doctor if you are at risk.

YOUR TURN

Read the full guide

What the research says about lowering blood sugar, and what to ask your doctor.

General information, not medical advice. Talk to a licensed professional about your own health.