Apolipoprotein A1 (Apo A1) is the main protein component of HDL ('good') cholesterol. It helps activate enzymes that clear cholesterol from the blood and tissues.
Category: lipids
Also known as: apolipoprotein a1, apo a1, apoa1, apo-a1, apolipoprotein a-1
Reference range: 120–175 mg/dL (Source: ABIM)
Standard unit: mg/dL
High values may indicate
High Apo A1 levels are generally considered protective against cardiovascular disease and are associated with a favorable lipid profile.
Low values may indicate
Low Apo A1 levels may indicate increased risk of cardiovascular disease, metabolic syndrome, familial hypoalphalipoproteinemia, or poorly controlled diabetes.