Apolipoprotein B levels: what's normal, high and low
The protein on every atherogenic lipoprotein particle. A direct count of plaque-forming particles.
Medically reviewed by Youmna DiStefano, MD · Last reviewed September 2026
The short answer
Apolipoprotein B is measured with a standard blood draw after an 8–12 hour fast. A typical reference range is 0.000 – 90.0 mg/dL. At TestWell it's $90.99 all-in as Advanced Lipid Panel, results in 3–5 business days, drawn at Quest. An out-of-range result is a prompt to look closer, not a diagnosis.
- Units
- mg/dL
- Sample
- Blood draw
- Fasting
- 8–12 hours
- Results
- 3–5 business days
- Price
- $90.99
- Labs
- Quest
Apolipoprotein B Reference Range
These are the typical adult reference ranges used by major US labs. Your report will include the specific range used by the lab that processed your sample.
| Population | Range |
|---|---|
| age 18+ | 0.000 – 90.0 mg/dL |
Reference ranges are educational. Always interpret your result with the specific range printed on your lab report and discuss anything outside the range with a clinician.
What your Apolipoprotein B result may mean
Above 90 mg/dL is associated with increased cardiovascular risk; above 130 mg/dL is high.
What a high Apolipoprotein B means: causes, symptoms, next steps →Educational only — not a diagnosis. Many factors can influence a single result. Discuss anything that concerns you with a healthcare provider.
How do you get a Apolipoprotein B test?
Order online, a licensed physician reviews the requisition, and you walk into a nearby lab for the draw. Apolipoprotein B is available on its own or inside these panels — panels cost less per marker when you want the fuller picture.
| Option | Includes | Price |
|---|---|---|
| Advanced Lipid Panel | This marker only | $90.99 |
Quest vs. Labcorp for Apolipoprotein B: which lab should you pick?
Both are CLIA-certified national labs and the result is clinically equivalent, so pick whichever location is closer. Your report will print that lab's own reference range, which can differ slightly from the table above.
| Lab | Available | Price |
|---|---|---|
| Quest Diagnostics | Yes | $90.99 |
| Labcorp | No | — |
| BioReference (NY & NJ) | No | — |
Need help choosing a location? Use the lab finder to see draw sites near your ZIP.
Related Heart Health biomarkers
Markers commonly tested alongside Apolipoprotein B.
Frequently asked
Above 90 mg/dL is associated with increased cardiovascular risk; above 130 mg/dL is high. A single result above the reference range is a prompt to look closer with a clinician — often a repeat test and related markers — not a diagnosis on its own.
Ready to test your apolipoprotein b?
Order in two minutes, get physician-approved, and visit a lab the same day. Starts at $90.99.