You can order Free Style Libre (online), starter package for $200 or so (check their website).
They probably don't ship to the US, as they're not approved there, so you'd have to use some mail forwarder.
The test is really cheap and is an indication of your glucose levels in the last 3 months. If that is over 7 mg/dl you're diabetic.
I sincerely hope you don't have T1D. Good luck.
This blog post on Hyperlipid
https://high-fat-nutrition.blogspot.com/2007/10/physiologica...
kind of relates to what you write: Hab1c is a more accurate indicator of diabetes than fasting glucose for someone on any form of carbohydrate restriction, which is me.
edit: s/that/than