I keep seeing ISO 15197 on meter boxes

I've been comparing different glucose meters and I keep noticing some brands mention ISO 15197 compliance.

I understand that accuracy is important, but I'm not sure what this certification actually means in everyday use. Does it guarantee that one meter will always be more accurate than another, or is it just a minimum standard?

For people who have researched glucose meters, how much importance do you give to ISO 15197 when choosing a device? Are there other things you think matter just as much, like strip cost, availability, ease of use or support?

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@priyanka121 hr ago

I was also confused by this when I first started looking at meters. I thought the certification meant the readings would always match a lab test perfectly, but it seems more like a standard for how accurate a meter should be under defined conditions.

@ankitjain45 min ago

Same. I used to look only at the brand name, but understanding what the standards mean changed how I compare devices.