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@JoKalsbeek gives a great explanation of what that’s about if I can be so presumptuous as to tag her for it. .
Not presumptious at all, but usually on Friday evening I'm kindof off the computer until Monday.

I'll try to be quick though, before my husband misses me.
Most important thing for
@jaspajax to know: practically all carbs turn to glucose once ingested. So... If your testresults come back and you are a T2: Lower your intake. It really is that simple, but I'll not leave you hanging with just that. There's 3 macro-nutrients: Fats, protein and carbs. Carbs spike us something awful, as T2's. Protein can raise our bloodsugars a little, but fats.... Not at all. Plus, whatever carbs you do ingest, fats mitigate the effect they have. So yay, fats. Those three macro-nutrients get you the micro-nutrients you need: vitamins and minerals... So if you cut one macro, you up another, so you don't become deficient and malnourished. And the best choice to dial up, for T2's, is without question, fats.
So, the things you want to get rid of... Bread, or anything made with flour/oats/grains, pasta, rice, potatoes, cereals (including but not limited to weetabix, muesli, shredded oats, whatever), and most fruits. Things that won't spike your bloodsugars are meat, fish, poultry, cheeses, heavy cream, full fat greek yoghurt, eggs, butter, above ground veggies/ leafy greens (no beans, too starchy!), avocado, berries, starfruit, tomatoes, nuts, olives, extra dark chocolate (85% and up), that sort of thing... I've replaced my pasta, rice and spuds with cauliflower rice and brccoli rice, and they do perfectly well. Bulk them up some with cheese and bacon. Yum!
So you could eat, without issue:
Scrambled eggs with bacon, cheese, mushrooms, tomato, maybe some high meat content sausages?
Eggs with ham, bacon and cheese
Omelet with spinach and/or smoked salmon
Omelet with cream, cinnamon, with some berries and coconut shavings
Full fat Greek yoghurt with nuts and berries
Leafy green salad with a can of tuna (oil, not brine!), mayonaise, capers, olives and avocado
Leafy green salad with (warmed goat's) cheese and bacon, maybe a nice vinaigrette?
Meat, fish or poultry with veggies. I usually go for cauliflower rice or broccoli rice, with cheese and bacon to bulk it up. Never the same meal twice in a row because of various herbs/spices.
Snacks? Pork scratchings, cheese, olives, extra dark chocolate, nuts.
Don't take my word for it, but get yourself a glucose meter. Check before a meal and 2 hours after first bite. If you go up more than 2.0 mmol/l, the meal was carbier than your body could process out again. (You're making plenty of insulin, but you've become insensitive to it, so... If insulin isn't helping your body burn the glucose for fuel, it just float around doing damage instead. And nobody wants that to happen.).
All of this, of course, if your testresults come back and a T2 result is definitive. In the meantime, you might want to read Dr. Jason Fung's The Diabetes Code. Besides giving excellent advice, you'll also know what to ask your GP about and you'll understand the answers you'll get. And for low carb recipies check this forum's website or dietdoctor.com, both excellent resources.
I'm sure I'm forgetting something, but one of these days i'm going to have to write an infosheet much like Daisy1's, haha.

(Granted, I'm already copy-pasting the meal suggestions a few times a day, because I'm sure I'll forget something or other if I don't!)
Seriously though,
@jaspajax ; whatever the testresults will be, you'll be okay. We've got your back. And hey, on low carb I dropped 50 pounds I really needed to loose, got my diabetes into remission, my fatty liver is doing a lot better, and even my cholesterol went down, in spite of having two (!) helpings of bacon a day. So whatever these testresults throw at you... You'll be fine.
...And now I'm off to watch me some Death in Paradise!

Have a good weekend!
Jo