Random blood glucose 138?

I had been reading alot about diabetes and am very concerned. I went to the hospital because I had a slight panic attack and they took all sorts of bloods. He was concerned that my potassium was low, but on the same test sheet it said Glucose 138 H, he didn't even seem bothered or mention anything about it.... show more I had been reading alot about diabetes and am very concerned. I went to the hospital because I had a slight panic attack and they took all sorts of bloods. He was concerned that my potassium was low, but on the same test sheet it said Glucose 138 H, he didn't even seem bothered or mention anything about it. Does this mean I have diabetes or is a random blood glucose test nothing to worry about?

If not what number would indicate diabetes on a random BG test?

Thanks
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