What is Apolipoprotein A1?
the protective protein in HDL
ApoA1 is the main protein in HDL and helps move cholesterol away from artery walls. Higher values are protective.
ApoA1 adds to HDL as a measure and is used mainly in the ApoB/ApoA1 ratio to estimate cardiovascular risk.
Test facts
- Unit
- g/L
- Sample
- Serum
- Fasting
- 12 hours
- Turnaround
- 3 days
What does low Apolipoprotein A1 mean?
Low ApoA1 is associated with increased cardiovascular risk.
What does high Apolipoprotein A1 mean?
High ApoA1 is favourable.
Panels that measure Apolipoprotein A1
- Deep Baseline
- Heart Basic
- Heart & Vessels
More markers in the same area
Launching in Stockholm in 2026.
Want to know when you can order?
This is general information about the marker, not an assessment of your values and not medical advice. Last updated: May 2026.