Hi and welcome. We can't diagnose anything on here, but here's a couple of thoughts, and a question - do you have any diabetic symptoms?
First off, morning readings are sometimes the highest you'll see all day. That's the result of your liver adjusting your glucose levels and nothing much to do with what you've eaten.
Secondly, fingerprick readings can give a clue to how well or badly your system deals with blood glucose, but you'd need more than just morning readings to start to make any kind of informed guess. In particular, I would be looking at how well your system deals with rises in blood glucose after eating carb. Testing before you eat, and then two hours later, should produce roughly the same figure. You would be looking for the second reading to be within 2mmol/l of the first, and not above 8mmol/l or so. If it's outside either of those criteria repeatedly, it might suggest that you are having some difficulty in processing the extra glucose.
Third is that the diagnosis of T2 diabetes isn't made on the basis of a fingerprick test. Your GP will use an HbA1c test which looks at the number of glycated haemoglobin cells and which gives an indication of what your blood glucose has been like over the last three months or so. If you've not had one recently, it's worth asking for one. You might also find that these have been done but that no-one has mentioned the results to you. It happens. Diagnosis usually won't be made until your Hba1c is above 48mmol/mol - but as normal range is around 36-41mmol/mol it doesen't mean ecerything is OK. I had a full complement of diabetic symptoms starting when my BG was 43/44, but was firmly told I wan't diabetic. I was.
Does that help?