An A1c of 6.7% falls just above the diabetes threshold of 6.5%, which means it technically lands in the diabetes range. Whether that number is “good” depends entirely on your starting point. If you were recently diagnosed and your A1c was 9% or 10%, getting to 6.7% is a significant achievement. If this is your first A1c test and you had no idea your blood sugar was elevated, it signals early-stage diabetes that needs attention.
Where 6.7% Falls on the A1c Scale
The CDC uses three categories for A1c results: normal is below 5.7%, prediabetes ranges from 5.7% to 6.4%, and diabetes is 6.5% or above. At 6.7%, you’re just two-tenths of a percent into the diabetes range. That’s a meaningful clinical distinction, but it also means your blood sugar is only mildly elevated compared to someone with an A1c of 8% or higher.
To put the number in practical terms, an A1c of 6.7% corresponds to an estimated average blood sugar of roughly 146 mg/dL over the past two to three months. For context, a normal fasting blood sugar is under 100 mg/dL, and someone with well-controlled diabetes typically averages somewhere between 130 and 160 mg/dL.
The Standard Target for Most Adults
The American Diabetes Association recommends an A1c below 7% for most adults with diabetes. By that standard, 6.7% is within the goal range. You’re managing your blood sugar well enough to reduce the risk of diabetes-related complications like nerve damage, kidney problems, and vision issues that develop over years of elevated blood sugar.
That said, the recommended target isn’t the same for everyone. The American College of Physicians suggests a slightly more relaxed range of 7% to 8% for most patients, noting that pushing below 7% doesn’t consistently reduce the risk of heart attacks, strokes, or death. For people over 80, those living in long-term care, or anyone with a life expectancy under 10 years, aggressive blood sugar lowering can cause more harm than benefit, primarily through episodes of dangerously low blood sugar. In these situations, 6.7% might actually be lower than necessary.
On the other hand, younger adults expected to live at least 15 more years may benefit from a stricter target, since keeping blood sugar closer to normal over decades protects the small blood vessels in the eyes, kidneys, and nerves. For a 40-year-old newly diagnosed with type 2 diabetes, 6.7% is a solid number, but aiming even lower could pay off in the long run.
If This Is a New Diagnosis
Finding out your A1c is 6.7% when you weren’t expecting it can feel alarming, but this is actually the best possible time to catch it. You’re at the very beginning of the diabetes spectrum, where lifestyle changes alone can sometimes bring your numbers back into the prediabetes or even normal range.
Losing 5% to 10% of your body weight can meaningfully lower your A1c. For someone who weighs 200 pounds, that translates to 10 to 20 pounds. The impact comes from how weight loss improves your body’s ability to use insulin effectively, particularly when the weight comes off through a combination of dietary changes and regular physical activity. Cutting refined carbohydrates, increasing fiber intake, and getting 150 minutes of moderate exercise per week are the most consistently effective strategies.
At 6.7%, your doctor may or may not recommend medication right away. Some physicians start with lifestyle changes alone for three to six months and recheck. Others prescribe medication from the start, especially if you have additional risk factors like high blood pressure or a strong family history of diabetes. Either approach is reasonable at this level.
If You Already Have Diabetes
For someone already managing diabetes, 6.7% is a strong result. You’re below the 7% target that most guidelines recommend, which means your current treatment plan is working. If you’re taking medication and your A1c has dropped to 6.7% or below, your doctor may even consider scaling back your regimen. Clinical guidance suggests that de-escalating medication can be appropriate when A1c drops below 6.5%, since there’s no clear clinical benefit to pushing further down with drugs, and the risk of low blood sugar episodes increases.
The key question at this level is sustainability. An A1c of 6.7% is only useful if you can maintain it without frequent blood sugar crashes. If you’re experiencing symptoms of low blood sugar, like shakiness, sweating, confusion, or dizziness, your target may be set too aggressively for your situation.
When the Number Might Not Be Accurate
The A1c test measures how much sugar has attached to your red blood cells over their roughly three-month lifespan. Any condition that changes how long your red blood cells survive can throw off the reading. Iron-deficiency anemia, sickle cell disease, kidney failure, and liver disease can all produce A1c results that don’t accurately reflect your true average blood sugar. If you have any of these conditions, your doctor may rely on other tests, like fructosamine or continuous glucose monitoring, to get a clearer picture.
Recent blood loss or transfusions can also skew results, as can pregnancy. If your A1c reading doesn’t match what your daily glucose readings suggest, it’s worth asking whether something else could be affecting the test.