Glucose tolerance test

Patient: Im 23 year old girl who recently had her GTT test done and found out that the half an hour blood sugar level is exceeding the given limit 160 and my values being 180 and 2 hour blood sugar was 862)my routine urine analysis showed a trace of sugar for half an hour and 1 hour in urine??Am i prediabetic??? Im also a thyroid patient for the past 10 years on tab thyronormpls advise me