APOE genotype
Shows which version of the APOE gene you carry. The e4 version raises Alzheimer’s risk - but doesn’t decide it.
TypeGenetic
HowBlood or saliva sample.
How oftenOnce.
BeforeGenetic counseling beforehand is strongly recommended.
WhoPeople who want to know and have thought through the implications.
Risk, not destiny
Everyone carries two copies of APOE. e4 raises risk, e2 may lower it. Many people with e4 never develop Alzheimer’s, and many without it do.
No e4
“Am I in the clear?”
Average risk - not zero.
Average
One e4
“What does that mean?”
Higher risk than average.
Raised
Two e4
“Should I worry?”
Substantially higher risk - lifestyle and heart health matter even more.
Talk it through
Is it right for you?
Worth considering if…
- You want to know and have discussed it with a counselor.
- You’re considering clinical trials.
- Alzheimer’s runs in your family and knowing would change your plans.
A better option if…
- You’re worried about memory now - see cognitive screening first.
How it’s measured
Clinical APOE genotyping
Blood or saliva.
The full picture
What is it?
A genetic test for APOE variants.
What type of test is it?
A genetic test.
What does it measure?
Your APOE e2/e3/e4 combination.
Why might someone consider it?
To understand Alzheimer’s risk.
Who is it most relevant for?
People who want to know, after counseling.
How is it performed?
A blood or saliva sample.
How often might it be considered?
Once.
What can the result help you understand?
Your inherited Alzheimer’s risk.
What are its limitations?
Doesn’t predict whether you’ll develop disease; emotional impact.
What should it be viewed with?
Cognitive screening, heart health, sleep and hearing.
Where to get it
Through your provider
Often with a genetic counselor - and more likely covered when family history supports it.
Genetic counseling services
Help you decide what to test and what results mean.
Direct-to-consumer tests
Available, but results should be confirmed clinically before acting on them.
Names are examples only, not endorsements. Your provider can often order the same test - and help interpret it.
Connected to
Questions to ask your provider
- Should I have genetic counseling before APOE testing?
Ziva Health
One test is a snapshot. Ziva shows the whole story.
Ziva brings your lab results, wearables and daily readings together - and Isabella tells you what’s changing and what to ask your provider next.
Refer Ziva to my provider / care team
Is your provider not on Ziva yet? Send them a link in under a minute - once they join, they’ll see your APOE genotype result alongside your other trends and get alerts directly.
Refer my providerAlready seeing your provider?
Bring your Ziva 30-day report to your next appointment - your APOE genotype result and daily trends in one view, so the conversation starts with the full picture.
Get my 30-day reportNo provider? Find a clinical partner
Being listed doesn’t mean everyone needs this test. Educational only — not medical advice. Results should be interpreted with a qualified clinician. ← Back to Know What to Test