HbA1C is the gold standard test to diagnose diabetes or prediabetes. It shows 3 month average glucose over the past 3 months. Your level is in the prediabetic range. This means you are at risk for developing diabetes in the future, it’s 15% with each passing year in absence of intervention First step would be 10% weight loss, following healthy diet and exercise , and checking labs below. If labs remain same or no improvement, medications would be required

HBA1c is 6. It suggest your average blood glucose over 3 months. It suggest ur sugars are in prediabetic range. U are at high risk of developing diabetes. So u need to start exercise regularly and maintain diet and healthy lifestyle to avoid it.