Blood Glucose Meter
Buying Guide

Someone using a blood glucose meter, with a drop of blood on their finger.
Blood Glucose Meter Buying Guide

Keeping Diabetes in Check

Controlling your blood sugar, or blood glucose, level is key to managing diabetes. Accurate test results help people with diabetes adjust their diet, exercise routine, and treatment plan—which might help prevent complications and reduce the risk of seizures, kidney disease, nerve damage, and blindness.

Anyone with diabetes can benefit from testing. Blood glucose monitoring can be important for those taking insulin or other diabetes medications, women with gestational diabetes (diagnosed during pregnancy), and those having difficulty controlling their diabetes.

Today's blood glucose meters are smaller, faster, more accurate than older models, and come with more features. We tested dozens of models priced between $10 and $75. Use our guide to help you find the best monitor for your needs.

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Choosing a Blood Glucose Meter

All glucose monitors work in a similar way, but some have features and options that might better suit your specific needs. Talk with your doctor or diabetes educator about which monitor matches monitoring requirements lifestyle, and budget.

Cost
Don't just look at the retail price of the meters alone. What makes blood glucose monitoring expensive is the test strips, which you might use many times a day. At $18 to $184 per 100 test strips, the cost can add up to about $265 to $2,685 a year for people who test four times a day. Replacement lancets are another expense to consider.

Insurance
Medicare covers some diabetes-related supplies, and private insurance might cover some of the cost. See if there are certain brands of meters and test strips that insurance covers. Find out how many test strips, if any, are covered per month. Your strip coverage may depend, for example, on whether you use insulin.

Automatic Coding
Blood glucose meters need to be calibrated to each batch of test strips. Some require you to enter a code or download an app so that you can scan the codes with a smart phone. Entering this information incorrectly can result in inaccurate results. Other models use a removable code chip to calibrate the meter to each batch of strips.

Data Storage
The most convenient blood glucose meters store at least 360 test results. Some also track the average of your readings over seven, 14, or 30 days to give you a view of your overall blood sugar control. If you check your blood glucose frequently, consider a model with more memory.

Test Time
The difference of a few seconds might not seem like much, but when you're using a meter three to five times a day, a longer test time can be a nuisance. Our panelists found that 5 seconds or less was desirable.

Markers and Flags
These features allow you to note whether a reading was taken before or after a meal or exercise.

Unit Size
If you need to test while you’re on the go, look for a compact meter. Some larger models store multiple strips so you don't need to load one for each test, but our panelists found them to be bulky. Still, those models might make home testing more convenient, especially for those with dexterity or vision difficulties. Most models require a watch-style or medical battery, but consider a model that uses AAA batteries, which might be easier to replace.

Blood-Sample Size
Today's blood glucose meters require smaller blood samples than those from years past. That makes testing less painful. If you're sensitive to lancing, look for a meter that requires less than one microliter of blood.

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Secrets to Diabetes Management

Our survey found that simple approaches are often the best.