A 52-year-old non-Indigenous man attends his general practitioner for a routine check. He has no past medical history and takes no regular medicines. His blood pressure is 138/86 mmHg, total cholesterol 5.5 mmol/L, HDL 1.1 mmol/L and he is a non-smoker. According to current Australian CVD risk guidelines, what is the most appropriate next step in assessing his cardiovascular risk?