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Blood glucose meter: How to choose
Many types of blood glucose meters are available. Here's how to choose one that fits your needs and lifestyle.By Mayo Clinic staff
If you have diabetes, you likely need a blood glucose meter — a small computerized device — to measure and display your blood glucose level. Exercise, food, medications, stress and other factors affect your blood glucose level. Using a blood glucose meter can help you better manage your diabetes by tracking any fluctuations caused by these factors.
Many types of blood glucose meters are available, from basic models to more-advanced meters with multiple features and options. The cost of blood glucose meters and test strips varies, as can insurance coverage. Study all of your options before deciding which model to buy. Here's what to look for.
Choosing the right meter
When selecting a blood glucose meter, it can help to know the basics of how they work. To use most blood glucose meters, you first insert one end of a test strip into the device. Then, you prick a clean fingertip with a special needle (lancet) so that you can draw a drop of blood. You carefully touch the other end of the test strip to the blood and wait for a blood glucose reading to appear on the screen.
Blood glucose meters are usually accurate in how they measure glucose, but they differ in the type and number of features they offer. Here are several factors to consider when choosing a blood glucose meter:
- Insurance. Check with your insurance provider for coverage details before you buy. Some insurance providers limit coverage to specific models or limit the total number of test strips allowed.
- Cost. Meters vary in price, so shop around. Be sure to factor in the cost of test strips, especially if insurance doesn't pay for them. Test strips are the most expensive part of monitoring because they're used so often. A meter may be the cheapest one on the market, but may not be a good deal if the strips cost twice as much. Also, individually packaged strips tend to cost more, but you might not use all the strips in a container before the expiration date or within the required number of days after opening the container. Figure out which type of strip is most cost-effective for you.
- Ease of use and maintenance. Some meters are easier to use than others. Are both the meter and test strips comfortable to hold? Can you easily see the numbers on the screen? How easy is it to get blood onto the strips? Does it require a small or large drop of blood? Also, some brands of meters need to be coded and others have no coding. Code numbers are used to calibrate your meter with the test strips for accurate results.
- Special features. Ask about the features to see what meets your specific needs. For example, some meters are large with strips that are easier to handle. Some are compact and easier to carry. People with impaired vision can buy a meter with a large screen or a "talking" meter that announces the results. Colorful meters that give a quick reading are available for children. Some models have a backlight, which is handy for nighttime readings. Others are manufactured to withstand extreme temperatures, which may be useful for people who spend a lot of time outdoors, such as hikers or construction workers.
- Information storage and retrieval. Consider how the meter stores and retrieves information. Some can track all the information you'd normally write in a log, such as the time and date of a test, the result, and trends over time. Some meters offer the ability to download your blood glucose readings to a computer or your cell phone, then email the test results to your doctor.
- Support. Many meter manufacturers include a toll-free number on the back of the meter or packaging that you can call for help. Look for a meter that includes clear instructions that demonstrate the correct way to use the meter. Some manufacturers offer user manuals on their websites.
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