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Clinical terms

Cholesterol

Cholesterol is a fatty substance carried in the blood that the body needs to build cells and make hormones. Too much of the wrong kind builds up in blood vessel walls and raises the risk of heart attack and stroke.

Also called
blood cholesterol, lipids, blood fats, LDL, HDL
Formerly called

What it means

A blood test called a lipid profile measures total cholesterol, LDL cholesterol (often called bad cholesterol, because it builds up in artery walls), HDL cholesterol (often called good cholesterol, because it helps carry cholesterol away) and triglycerides. High cholesterol usually has no symptoms, so a blood test is the only way to know.

People living with diabetes have a higher risk of heart disease, so cholesterol is usually checked at least once a year as part of diabetes care. Targets are set individually, based on your overall risk of heart attack and stroke. Eating patterns lower in saturated fat, regular physical activity, not smoking and, when needed, cholesterol-lowering medicines all help.

At PDC Health Hub
Finger-prick cholesterol checks are available at PDC Health Hub health screening on request, and PDC's Accredited Practising Dietitians support cholesterol management.

Sources and clinical review

Clinically reviewed by
Jeffery Au
Last reviewed:
October 8, 2026
Next review due:
October 8, 2026

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