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What Is a Dangerous Level of A1c?

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A glycated hemoglobin A1c check (HbA1c), or A1c check for brief, is a blood check that tells you your common blood glucose ranges over the earlier 2-3 months. 

It is a customary check that folks with diabetes routinely get to evaluate the general administration of their blood sugar ranges and to course-correct remedy plans. 

However what’s a harmful degree of A1c? This text will examine A1c ranges which are thought-about each too low and too excessive, and what to do about bettering yours whether it is at a harmful degree. 

What Is a Dangerous Level of A1c?What Is a Dangerous Level of A1c?

What’s an A1c? 

An A1c is a blood check that’s usually taken in a laboratory and measures the hemoglobin in your blood. 

Hemoglobin is a protein present in your purple blood cells and offers blood its purple shade. It carries oxygen all through your physique and is essential for good well being. 

This check measures the typical quantity of blood glucose connected to the hemoglobin in your purple blood cells over the previous few months. Crimson blood cells regenerate each 3 months, which is why the check will solely present your common blood glucose degree for the earlier 2-3 months. 

It’s often skewed towards the previous a number of weeks earlier than a check. 

What’s the significance of an A1c? 

An A1c check helps diagnose diabetes

The A1c is a crucial software for diagnosing sort 1 and kind 2 diabetes, prediabetes, and even typically gestational diabetes.

In case your outcomes reveal prediabetes, your physician will most likely advocate that you just get a repeat A1c check completed yearly or semi-annually. Moreover, for folks 45 and older, the Facilities for Illness Management and Prevention (CDC) advocate an A1c check each 3 years. 

When you’ve got prediabetes, you must speak together with your physician about steps you’ll be able to take to scale back your danger of growing diabetes. 

Your physician might advocate you get an A1c check in case you’re beneath the age of 45 however have sure danger elements for diabetes, together with: 

  • Being chubby or overweight
  • Having a household historical past of diabetes
  • Having hypertension (hypertension)
  • Beforehand had gestational diabetes 
  • Are an ethnic minority 
  • Having coronary heart illness
  • Reside a sedentary way of life/bodily inactivity 

It’s best to name your physician immediately in case you expertise the next signs, as they’re indicators of diabetes: 

Your physician might advocate you get an A1c check or search emergency medical care, relying on the severity of your signs.

It’s also possible to check your A1c at house with a check package you should buy at your native pharmacy or on-line.

An A1c check determines common diabetes management 

For folks with current diabetes, a quarterly A1c check is often ordered to find out your common blood sugar ranges, and common diabetes management, over the earlier 3 months. 

See also  Diabetes Symptoms

A1c checks are nice at detecting in case your blood sugars are constantly operating excessive or low, and might help you alter your diabetes therapies to assist stop problems similar to coronary heart illness, retinopathy, neuropathy, kidney illness, and untimely demise.

Nevertheless, since an A1c check is merely a mean of your earlier 3 months’ blood sugar ranges, it’ll common out all the excessive blood sugar ranges with all the low blood sugar ranges. This could doubtlessly provide you with a false sense of accomplishment if, actually, you’re simply driving the blood sugar rollercoaster most days! 

If, nevertheless, your blood sugar ranges are reasonably steady, it can provide you an awesome sense of how properly you’re managing to maintain your blood sugars in vary. 

What are the totally different A1c ranges? 

The American Diabetes Affiliation makes use of the next definition to find out in case you have diabetes or prediabetes:

  • Regular, no diabetes: A1c beneath 5.7%
  • Prediabetes: A1c between 5.7% and 6.4%
  • Diabetes: A1c of 6.5% or increased 

Particular person A1c aim ranges will range by particular person. For instance, for somebody who doesn’t detect their low blood sugars, or for somebody with diabetes who lives alone, their physician might advocate a barely increased A1c. 

Alternatively, for somebody with current diabetes who’s pregnant, an A1c of or beneath 6% is right, so long as they’re not experiencing too many low blood sugars. 

American Diabetes Affiliation  (ADA) advises A1c ranges to remain beneath 7% to assist stop diabetes problems for adults, and beneath 7.5% for kids. 

What’s a harmful A1c degree? 

There are risks to having each a too-high and a too-low A1c degree. All the time work together with your physician to see what A1c degree needs to be your aim, relying in your way of life, well being targets, and life stage. Nevertheless, some harmful ranges can be finest to keep away from.

An A1c decrease than 5% 

Whereas diabetes administration is turning into extra exact with sooner insulins, closed-loop insulin pumps, steady glucose monitoring (CGM) programs, and higher entry to diabetes self-management schooling (DSME), folks with diabetes are reaching decrease A1cs than ever earlier than. 

It is a nice accomplishment in case you’re not experiencing too many low blood sugars. 

Keep in mind, an A1c is simply a mean blood sugar of the earlier three months, so in case your A1c is decrease than 5%, which may be an indicator that you just’re having too many lows. 

Even in case you’re not experiencing extreme low blood sugar that usually in case you’re older, dwell alone, have bother detecting your low blood sugars (have hypo-unawareness), or shouldn’t have a steady glucose monitor (CGM) with low alerts set on, it may be harmful to have an A1c that low. 

A 5% A1c signifies that your common blood sugar is simply 97 mg/dL. 

Which means even a average stroll or sizzling bathe might ship your blood sugar plummeting at any minute, which may be dangerous. 

Low blood sugars can result in extreme diabetes problems, together with diabetic coma and demise, so it’s essential that you just stop extreme low blood sugars and have fast-acting glucose or glucagon accessible in case of an emergency. 

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When you dwell alone, are older, have hypo-unawareness, shouldn’t have a CGM, or are merely experiencing too many lows, speak together with your physician about decreasing your insulin doses to assist stop harmful lows and improve your A1c. 

To notice: Pregnant girls might have an A1c beneath 5%, and in the event that they’re not experiencing many low blood sugar ranges, this can be effective. 

Moreover, originally of a sort 1 diabetes analysis, many individuals expertise what is named the “honeymoon section” the place their pancreas continues to be emitting some insulin, and so they might have a particularly low A1c for the primary a number of months to a 12 months after analysis. 

That is regular, however in case you’re within the honeymoon section with too many low blood sugars, speak together with your physician. 

An A1c increased than 7% 

Whereas the ADA recommends that almost all adults keep an A1c of seven% or decrease (and youngsters keep an A1c of seven.5% or decrease), this isn’t all the time attainable. 

Competing priorities, cash, time, power, hormones, jobs, faculty, stress, and on a regular basis life make managing diabetes actually laborious, and typically we battle with higher-than-ideal blood sugar ranges and that’s okay! 

An A1c is 7% is a mean blood sugar degree of 154 mg/dL and an A1c 0f 7.5% is a mean blood sugar degree of 169 mg/dL, each of that are cheap numbers (particularly in case you’re a toddler who’s wont to not all the time end meals or an grownup who struggles to detect harmful low blood sugars). 

Most instances, particularly throughout busy or annoying instances of life, an A1c of between 7-8% will not be harmful and gained’t pose any issues on your well being. 

An A1c increased than 9% 

Nevertheless, numbers a lot increased than 9% can begin to put you in danger for diabetes problems afterward in life. 

Based on the American Diabetes Affiliation’s Requirements of Medical Care in Diabetes, 2022, an A1c of 9% places one at a better danger for blindness, coronary heart assault, nerve injury, and kidney failure. 

An A1c is 9% is the same as a mean blood sugar degree of 212 mg/dL. 

The upper your A1c, the extra harmful it’s and the extra possible you might be to endure from diabetes problems. 

The next are A1c ranges to common blood sugar ranges: 

10 % = 240 mg/dL

11% = 269 mg/dL

12% = 298 mg/dL

13% = 326 mg/dL

14% = 355 mg/dL 

For extra detailed data, learn The right way to Translate Your A1c to a Blood Sugar Stage.

Extended excessive blood sugars over time can result in extreme diabetes problems, similar to retinopathy, neuropathy, coronary heart illness, kidney illness, lower-limb amputations, stroke, and even untimely demise. 

When you’re struggling to decrease your A1c, speak to your physician about rising or altering your medicine routine, food regimen, bodily exercise degree, addressing any psychological well being points, or in the event that they recommend different methods that will help you higher handle your blood sugar ranges. 

See also  Early Signs Of Diabetes

To notice: at analysis, particularly with sort 1 diabetes, an individual will usually have a particularly elevated A1c degree. 

This doesn’t routinely imply that you’ll endure long-term diabetes problems. Often, after just a few months of insulin remedy and remedy, A1c ranges drop extraordinarily shortly and there’s no danger of significant future problems. 

Methods to make your A1c safer 

There are methods to each improve and reduce your A1c in case you’re falling into the hazard zone. 

In case your A1c is simply too low 

  • Work together with your physician to lower your medicines and/or insulin
  • Lower the quantity of train you do, in case you’re fighting lows after bodily exercise
  • Improve the quantity of protein and fats in your food regimen to assist stop low blood sugars in a single day
  • When you don’t have already got one, use a CGM to catch low blood sugar ranges earlier than they turn out to be harmful
  • Make the most of an insulin pump and use non permanent basal settings for issues like train and different bodily exercise to assist stop low blood sugars 

In case your A1c is simply too excessive 

  • Work together with your physician to extend your medicines and/or insulin 
  • Improve the quantity of bodily exercise you do every day
  • Eat decrease carbohydrate meals and eat loads of entire meals with fiber
  • When you battle with counting carbohydrates, begin a meals journal and work with a registered dietitian (RD) that will help you meal plan 
  • Keep away from processed meals and meals and drinks with added sugar 
  • Verify your blood sugar a number of instances a day, or make the most of a CGM to assist catch excessive blood sugars sooner
  • Make the most of an insulin pump that may use totally different basal charges all through the day and night time to assist stop extended excessive blood sugars 
  • Get loads of sleep (purpose for between 7-9 hours per night time for higher insulin sensitivity) 
  • Handle stress with yoga, meditation, and respiration to lower insulin resistance 


Whereas there may be lots of speak in regards to the risks of a excessive A1c, there isn’t a lot speak in regards to the risks of a low A1c, and there’s a lot of confusion as to what’s truly harmful and what to do about it. 

For most individuals, an excellent and protected A1c lies wherever between 5-8%, though this can range from individual to individual. 

When you’re pregnant, your A1c needs to be decrease, and in case you dwell alone or battle with low blood sugars, your physician might want your A1c on the upper finish. 

Nevertheless, an A1c that’s routinely beneath 5% can pose a hazard of too many and too extreme low blood sugars, which might trigger diabetic coma and demise. 

An A1c of 9% or above will increase your danger for diabetes problems, together with coronary heart illness and coronary heart assault, stroke, retinopathy and blindness, nerve injury and amputation, kidney illness and kidney failure, and in the end, untimely demise. 

Work together with your physician to regulate your medicines, improve or lower your bodily exercise, alter your food regimen, and higher regulate sleep and stress that will help you land your aim A1c. 

Whereas there is no such thing as a “good” A1c, nobody ought to need to dwell with an A1c at a harmful degree that’s dangerous to at least one’s well being and well-being.  

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