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Lipoprotein Subfraction Analysis by Electrophoresis (Qualitative) – Serum

Published: August 9, 2026Updated: August 16, 2026

This test measures the distribution of different types of lipoproteins in your blood using electrophoresis, a technique that separates proteins based on size and charge. It helps identify patterns that may indicate risks for heart disease or other metabolic conditions.

Quick summary

["This test helps assess your cholesterol profile and potential cardiovascular risks."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
100750-9
Short code
Lp-nonSG1 Spec Ql NAA+probe
Synonyms
Lp-nonSG1 Spec Ql NAA+probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What Does This Test Measure?

Electrophoresis separates lipoproteins (such as very low-density lipoprotein (VLDL), low-density lipoprotein (LDL), high-density lipoprotein (HDL), and intermediate-density lipoprotein (IDL)) based on their movement through a gel under an electric field. The probe detects these fractions qualitatively, showing relative abundance and distribution.

Why Might You Need This Test?

Qualitative lipoprotein electrophoresis may be used to identify abnormal lipoprotein patterns, such as dysbetalipoproteinemia (type III hyperlipidemia), which can be harder to detect with standard cholesterol tests alone.

Preparation and Sample Collection

No special preparation is needed, but fasting may be recommended depending on your doctor’s instructions. Blood is drawn from a vein, typically in the arm, and sent to the lab for analysis.

Common Uses and Considerations

This test is often used in specialized settings to diagnose rare lipoprotein disorders or when standard cholesterol tests show ambiguous results. It’s not a routine screening test but may be ordered if your doctor suspects specific lipid abnormalities.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Lipoprotein Electrophoresis (Qualitative)

Frequently asked questions

What does an abnormal result mean?
An abnormal result may indicate an unusual lipoprotein pattern, such as excess of small, dense LDL particles or unusual fractions like type III hyperlipidemia. These findings can influence treatment plans, such as lifestyle modifications or medication adjustments, to improve lipid health.
How long will results take?
Results from this qualitative test are typically available within 24 to 72 hours, depending on lab processing times. Follow-up with your healthcare provider to discuss findings and next steps.
Can this test be done at home?
No, this test requires a laboratory setting and blood sample collection by a healthcare professional. It is not a home-based diagnostic tool.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy