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Apolipoprotein E Genotype

Organ Function & Health
388.00

The Apolipoprotein E (ApoE) Genotype Test analyses your DNA to identify genetic variants linked to cholesterol metabolism, cardiovascular health, and Alzheimer’s disease risk.

Turnaround time

6 working days

Biomarkers count

1

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Same-Day Appointments
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Under 18? Patients under 18 can only be seen at GB Medlabs and Clinilabs, Monday to Friday only.
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Details about Apolipoprotein E Genotype



How It Works

Simple steps to get your results

1

Book Online

Choose your test online and book in seconds. Select your preferred clinic location or home visit option.

2

Visit or Test at Home

Attend one of our UK or London clinics, arrange a home nurse visit, or use a finger-prick kit where available.

3

Get Your Results

Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.

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How to Prepare for Your Test

Follow these guidelines for accurate results

Sample Timing

Where possible, attend your blood test between 7am and 12pm. Please wait until any short-term illness or infection has fully resolved before testing. Avoid intense exercise for 24–48 hours beforehand, as this can affect certain markers.

Fasting & Hydration

Fasting is not always required, but some tests may recommend it. If fasting is advised, avoid food for 8–12 hours before your appointment and drink water only. Stay well hydrated, as this helps with sample collection and accuracy.

Medications & Supplements

Continue prescribed medications unless advised otherwise by your clinician. Avoid vitamin, mineral, or biotin supplements for at least 24–48 hours before your test, as these can interfere with results. If you are unsure about any medication or supplement, please let us know before your appointment.

Hormones & Menstrual Cycle

For hormone-related tests, timing within your menstrual cycle may be important. If relevant, follow any specific guidance provided on your test page.

If you have any questions or special circumstances, our team is happy to advise before your appointment.

Frequently Asked Questions

This test determines which Apolipoprotein E (ApoE) gene variants you carry — E2, E3, or E4. These variants influence how your body processes cholesterol and can affect your long-term risk of heart disease and Alzheimer’s disease.

A standard cholesterol test measures current blood lipid levels, while the ApoE genotype test evaluates your genetic predisposition to lipid metabolism and disease risk. It reveals how your body is likely to respond to diet and medication, rather than providing a snapshot of your current levels.

Having one or two copies of the E4 allele increases your likelihood of developing Alzheimer’s disease and elevated LDL cholesterol. However, genetics are not destiny — many individuals with the E4 variant remain healthy through proactive lifestyle management, regular exercise, and balanced nutrition.

Yes. This test helps clarify whether your high cholesterol has a genetic component. If your genotype is E4 or E2/E4, it may explain resistance to certain cholesterol-lowering medications and guide your clinician in tailoring therapy.

No, it does not diagnose Alzheimer’s, but it identifies genetic susceptibility. A positive E4 result indicates increased risk, but not certainty, of developing the condition. It’s best interpreted in conjunction with lifestyle, family history, and cognitive assessments.

Testing is performed using PCR-based genetic analysis, which has >99.9% accuracy for genotype determination. All results are verified under UKAS ISO 15189 standards for genetic testing quality.

Yes. Our mobile phlebotomy service allows a qualified phlebotomist to collect your blood sample or cheek swab at your home, office, or hotel. The process is quick, discreet, and ideal for clients seeking convenience.

You can significantly lower your risk through lifestyle modification — maintaining a healthy diet (low saturated fats), exercising regularly, controlling blood pressure, and engaging in cognitive activities. Your GP may also recommend periodic cholesterol monitoring and tailored supplements or medication.

Results are usually ready within 10 business days from the time your sample reaches the laboratory. You’ll receive a digital report through our secure online portal with clear interpretation notes.

While optional, a GP review is highly recommended. Understanding your ApoE genotype can influence future medical and lifestyle decisions, so discussing results with a clinician ensures safe and informed interpretation.
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