Why get tested?
To help confirm a diagnosis of Type III hyperlipoproteinaemia (also known as dysbetalipoproteinaemia), to evaluate a possible genetic cause of atherosclerosis, or to help confirm a diagnosis of late onset Alzheimer’s disease (AD) in a symptomatic adult

When to get tested?
If your doctor suspects that your high cholesterol and triglyceride levels may be due to a genetically inherited disorder, or if you have xanthomas (yellowish raised patches) on your skin; also sometimes used if you have progressive symptoms of dementia and your doctor wants to investigate a possible cause of Alzheimer's disease

Sample required?
A blood sample drawn from a vein in your arm