Test library
Lipoprotein Particle Analysis (NMR)
The Lipoprotein Analysis (NMR) Test uses nuclear magnetic resonance to measure lipoprotein particle number and size. It provides detail beyond a standard lipid panel for cardiovascular risk assessment.
Order Lipoprotein Analysis (NMR) Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Lipoprotein Analysis (NMR) Test- Typical turnaround
- 1-3 business days
- Starting price
- From $119
- Results
- Confidential, online
Quick answer
The Lipoprotein Analysis (NMR) Test uses nuclear magnetic resonance to measure the number and size of lipoprotein particles in the blood. Unlike a standard lipid panel, which reports cholesterol carried in LDL and HDL, this test counts the particles themselves. Particle number can add information about cardiovascular risk, particularly when standard values look acceptable but other risk factors are present. The test may be ordered by a clinician who wants a more detailed picture.
What this test measures
Lipoproteins are particles that carry cholesterol and triglycerides through the bloodstream. Standard tests measure the cholesterol inside certain particle types. NMR analysis measures the concentration and size of particles directly, including LDL and HDL subclasses and their average size, which can vary between people.
The test requires a blood sample and is often performed without fasting, though instructions vary by laboratory. Results include particle numbers and may include subclass patterns. They are interpreted with standard lipids and the person's overall risk profile and clinical history.
Testing may be considered when a clinician wants more detail than a standard lipid panel provides, such as when risk remains unclear or when family history raises concern. A qualified healthcare provider should interpret the findings and discuss how they affect prevention.
- LDL particle number (LDL-P)
- HDL particle number
- Total lipoprotein particle number
- LDL particle size
- HDL particle size
- Small LDL particle concentration
- Large VLDL particle concentration when reported
- Standard cholesterol values when ordered together
Why people order this test
- Provide particle-level detail beyond a standard lipid panel
- Help refine risk when standard cholesterol values are inconclusive
- Add information for people with a strong family history
- Support a clinician's cardiovascular risk assessment
- Show lipoprotein subclass patterns and particle size
- Interpret alongside standard cholesterol and other risk factors
How to prepare
Fasting instructions vary by laboratory, so follow the directions provided with the test order. If a standard lipid panel is drawn at the same time, fasting may be requested for that portion.
Understanding your results
Results are usually available within several business days because the analysis is specialized. Particle numbers and sizes are interpreted with standard cholesterol values and other risk factors. A qualified healthcare provider should explain what the findings mean.
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Frequently Asked Questions
What is NMR lipoprotein analysis?
It uses nuclear magnetic resonance to measure the number and size of lipoprotein particles in a blood sample.
How is this test different from a standard lipid panel?
A standard panel measures cholesterol content, while NMR analysis counts particles and describes subclasses and sizes.
Do I need to fast for an NMR lipoprotein test?
Instructions vary by laboratory. Follow the directions provided with your test order.
Who might benefit from an NMR lipoprotein analysis?
It may be considered when standard lipids do not fully explain risk or when a clinician wants particle-level detail.
Can the results change over time?
Particle numbers and sizes can shift with changes in diet, activity, weight, and medication, so a clinician may repeat testing when appropriate.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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