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Genetic mutation analysis for APOE (Apolipoprotein E) gene variants in whole blood

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

This test checks for specific changes (mutations) in the APOE gene, which plays a role in lipid metabolism and may influence risk for certain health conditions.

Quick summary

["APOE gene mutations can affect cholesterol levels and disease risk, but results are used for research or personalized health discussions."]

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

Key facts at a glance

LOINC
56904-6
Short code
Deprecated APOE gene Mut Anal Bld
Synonyms
Deprecated APOE gene Mut Anal Bld
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
CPT
86038
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What Is APOE and Its Role in Health?

The APOE gene helps regulate cholesterol and fat transport in the body. Different APOE variants (like APOE2, APOE3, APOE4) can influence how your body processes fats and may affect risks for conditions like Alzheimer’s disease, heart disease, or stroke.

Why Might You Need This Test?

This test may be ordered as part of genetic screening, research studies, or if you have a family history of conditions linked to APOE variants. It’s not routinely recommended for general health checks.

How Is the Test Performed?

A small blood sample is drawn from your arm. The sample is then analyzed in a lab to detect specific mutations in the APOE gene. Results are compared to known genetic sequences.

What Do Results Mean?

Results identify which APOE variants you carry (e.g., APOE2, APOE3, APOE4). These variants may influence your risk for certain health conditions, but they don’t predict your exact risk alone. They’re often used alongside other factors like lifestyle and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: APOE Variants and Health Risks

Short name

APOE Gene Mutation Test (blood)

Frequently asked questions

How does this test relate to my health?
APOE variants can affect how your body handles cholesterol and fats. For example, the APOE4 variant is linked to a higher risk of Alzheimer’s disease and certain heart conditions, but results are part of a broader assessment. Discuss findings with your healthcare provider to understand implications for you personally.
Can this test predict my future health?
No, this test alone cannot predict your future health. APOE variants are one piece of the puzzle. They’re often used alongside other factors like family history, lifestyle, and medical tests to assess risk. Your provider will help interpret results in context.
Are there any risks or side effects from this test?
The blood draw is generally safe but may cause mild discomfort or bruising at the site. There are no known risks from the genetic analysis itself. Always follow up with your healthcare provider about any concerns.
  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