Scans were always essential. Now they’re accessible, too.

Function for Dirk Tanner's community

Function gives you access to 100+ lab tests for $499—and now advanced imaging from an additional $499. Powerful health insights to help you monitor for early signs of hundreds of diseases and create a health strategy that evolves with you.

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Use code DIRKT100 as your access code and DIRKT100 as your gift code at checkout to unlock your $100 credit.

Start testing Gift Function

Function health membership

100+ lab tests

Unique health insights

Clear next steps

$499

$399

$100 off

With access and gift code

DIRKT100

Start testing

Testing is easy

Schedule lab tests

2,000+ Quest Diagnostics locations

Get 100+ results

Backed by thousands of hours of research

Take action

Make changes and test again

Start testing See how it works

Not your average checkup

No insurance needed

Transparent pricing

Heart testing beyond cholesterol

Autoimmunity testing

Hormones & fertility testing

Nutrient & electrolyte testing

Access to cancer testing

Standard checkup

What could cost you $15,000 is $499

Your health shouldn’t depend on insurance.

HSA/FSA Eligible

Function membership

$42

/month

Charged annually at $499

Join Function

100+ lab tests

Testing twice per year

All-in-one for your whole body

Tracked in one secure place

Clinicians review every result and flag issues

Personalized action plan

Add advanced MRI and CT scans anytime

No insurance, transparent pricing

Join Function

As someone navigating an autoimmune condition, it's been such a relief to finally have a clear, visual way to track what’s going on in my body—and actually understand it.

Noelle

Early detection has given me this amazing gift of extra years, probably extra decades, with my family.

Mike

After 10 years of dealing with a health issue, 5 years of trying to get doctors to run more in-depth tests, Function finally helped me uncover the root cause.

Sandy